1 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3 (expand_call): Do not reverse args in "equal from" field.
4 (emit_library_call_value_1): Emit_libcall_block for const and pure
7 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9 * reload1.c (reload_combine): Don't enable optimization for fixed
10 registers when encountering a BARRIER.
12 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
14 * builtins.c (expand_builtin_memcmp): Do expansion even with
15 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
17 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
18 stack is propertly aligned; add sanity checking for aligned
20 (expand_library_call_value_1): Add sanity checking for aligned
23 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
25 * calls.c (emit_library_call_value_1): Change 3rd arg to
26 locate_and_pad_parm to disregard the setting of partial.
28 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
30 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
32 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
33 CALL_INSN from the normal case.
35 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
37 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
39 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
41 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
43 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
44 TARGET_ADD_ESP_8): New macros.
45 * i386.md: Add peep2s to convert esp adjustments to push and pop
47 (pushsi_prologue, popsi_epilogue): New patterns.
49 2000-04-12 Jakub Jelinek <jakub@redhat.com>
51 * real.c (toe64): Remove stale #endif from the last change.
53 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
55 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
56 * real.c (toe64): Revert previous change.
58 2000-04-12 Jakub Jelinek <jakub@redhat.com>
60 * objc/objc-act.c: Include ggc.h.
61 (objc_tree_index, objc_global_trees): Convert most of the
62 static tree variables into a static array with previous names
64 (objc_ellipsis_node): New variable.
65 (lang_init): Call objc_act_parse_init and c_parse_init.
66 Create objc_ellipsis_node.
67 (build_selector_translation_table): Use objc_ellipsis_node instead
69 (hack_method_prototype): Likewise.
70 (get_arg_type_list): Likewise.
71 (start_method_def): Likewise.
72 (continue_method_def): Likewise.
73 (gen_method_decl): Likewise.
74 (ggc_mark_imp_list): New function.
75 (ggc_mark_hash_table): New function.
76 (objc_act_parse_init): New function.
77 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
78 * c-parse.in (c_parse_init): For objc add roots of objc specific
80 * objc/objc-parse.y: Rebuilt.
81 * objc/objc-parse.c: Rebuilt.
82 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
84 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
86 * cse.c (delete_trivially_dead_insns): Also delete insns
87 that copy a register to itself where the destination is
90 2000-04-11 Richard Henderson <rth@cygnus.com>
92 * flow.c (struct propagate_block_info): Add new_dead, new_live.
93 (propagate_block): Initialize them. Use them in parallel instead
94 of one tmp variable, ie revert much of the 0408 and 0407 functional
95 changes, but keep the structural changes.
96 (mark_set_regs): Take new_dead from propagate_block_info instead.
97 (mark_set_1, mark_set_reg): Likewise.
98 (mark_used_regs): Likewise with new_live.
99 (mark_used_reg): Likewise. Revert 0408 change.
101 2000-04-11 Nick Clifton <nickc@cygnus.com>
103 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
105 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
107 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
109 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
110 const section to output a CONSTRUCTOR based on the same conditions
113 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
115 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
116 * pa/pa-protos.h (output_call): Add additional argument indicating
117 if the call is a sibling/tail call.
118 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
119 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
120 (function_arg, function_arg_partial_nregs): Likewise
121 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
122 (emit_move_sequence): Zero extend certain constants as needed
124 (compute_zdepdi_operands, output_64bit_and): New functions.
125 (output_64bit_ior, function_arg): Likewise.
126 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
127 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
128 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
129 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
130 (output_bvb): Likewise.
131 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
132 (output_call): New argument 'sibcall'. Generate sibcall sequences
134 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
135 (ouput_arg_descriptor): Do not emit argument descriptors for
137 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
139 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
140 (FUNCTION_OK_FOR_SIBALL): Define.
141 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
142 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
143 (CPP_SPEC): Use new spec infrastructure.
144 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
145 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
146 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
147 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
148 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
149 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
150 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
151 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
152 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
153 (FUNCTION_ARG); Call out to C code.
154 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
155 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
156 (MIN_UNITS_PER_WORD): Likewise.
157 * pa/pa.md (cmpdi): New expander.
158 (scc patterns, movstrsi): Not available for TARGET_64BIT.
159 (64bit conditional arithmetic): New patterns.
160 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
161 (movsicc): Not available if modes on all the operands to not match.
162 (movdicc): New expander and associated patterns.
163 (64bit branches): New patterns.
164 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
165 (pre_ldd, post_std): New patterns.
166 (64bit addil, load low part): New patterns.
167 (special movsf constant): Not available for TARGET_64BIT.
168 (movsf, movdf expanders): Force constants into memory.
169 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
170 (64bit movdf/movdi patterns): New patterns.
171 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
173 (extendqidi2, extendhidi2, extendsidi2): Similarly.
174 (adddi3 expander): Allow "arith_operand" for second input.
175 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
176 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
177 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
178 (muldi3): New expander for TARGET_64BIT.
179 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
181 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
182 patterns for TARGET_64BIT.
183 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
184 patterns for TARGET_64BIT.
185 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
186 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
187 (sibcall_epilogue): New expander.
188 (casesi): Tweak for TARGET_64BIT.
189 (call expanders): Set & use the outgoing argument pointer. Use the
190 64bit call patterns as needed. Add additional arg to output_call.
191 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
192 (sibcall, sibcall_internal_symref): New expanders.
193 (sibcall_value, sibcall_value_internal_symref
194 (interspace_jump): Turn into an expander + matching patterns.
195 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
196 * pa/pa64-regs.h: Eliminate trigraph sequences.
197 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
199 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
201 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
202 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
203 cpp_token with cpp_ttype everywhere.
204 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
205 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
206 CPP_BUF_COL. Line and column numbers are unsigned int, not
208 * cpplex.c (cpp_buf_line_and_col): Delete.
209 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
210 'long lineno' to 'unsigned int lineno'.
211 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
213 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
215 * extend.texi: ISO C99 is not a draft anymore.
216 * invoke.texi: ISO C++ is not a draft anymore.
217 * cpp.texi: __cplusplus is required by the ISO standard.
219 * extend.texi (-fthis-is-variable): Undocument.
220 * flags.h (warn_template_debugging): Remove declaration.
221 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
222 -Wenum-clash, -Wtemplate-debugging): Undocument.
224 2000-04-10 Nick Clifton <nickc@cygnus.com>
226 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
228 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
230 (ARM_SIGN_EXTEND): Use HOST_UINT.
231 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
232 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
233 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
234 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
236 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
237 (arm_gen_constant): Use HOST_UINT.
238 (arm_canonicalize_constant): Use HOST_UINT.
239 (arm_reload_in_hi): Use HOST_UINT.
240 (arm_reload_out_hi): Use HOST_UINT.
241 (output_multi_immediate): Use HOST_UINT.
242 (int_log2): Use HOST_UINT.
243 (arm_poke_function_name): Use HOST_UINT.
244 (arm_output_epilogue): Use arm_volatile_func().
245 (output_thumb_prologue): Use arm_strip_name_encoding().
247 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
249 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
250 of sequence point problems.
252 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
254 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
256 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
258 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
260 * sbitmap.h: Whitespace changes and use upper-case macro args.
261 (struct simple_bitmap_def): All sizes now unsigned.
262 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
263 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
264 (sbitmap_vector_alloc): Parms and local vars now unsigned.
265 (sbitmap_zero): Cast bzero arg to PTR.
266 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
267 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
268 loop to make structure clearer.
269 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
270 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
271 (sbitmap_a_and_b_or_c): Likewise.
272 (sbitmap_intersection_of_succs): Minor cleanups.
273 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
274 (sbitmap_union_of_preds): Likewise.
275 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
276 (debug_sbitmap): New function.
278 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
279 * c-typeck.c (convert_for_assignment): Likewise.
281 * expmed.c (init_expmed): Don't free objects we make.
282 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
284 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
285 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
287 * gcse.c (expr_hash_table_size): Now unsigned.
288 (compute_ae_gen): Local variable `i' now unsigned.
289 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
290 (compute_transout, hoist_code): Likewise.
291 (compute_local_properties): Likewise, also hash_table_size.
292 (alloc_expr_hash_table): N_INSNS now unsigned.
293 (delete_null_pointer_checks): Mark arg F as unused.
295 * regrename.c: Minor cleanups, including chang some variables
298 2000-04-10 Neil Booth <NeilB@earthling.net>
300 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
302 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
304 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
306 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
307 __classof__, and __headof__ from the list of gnu keywords.
308 (-ansi): Remove -foperator-names from list of implied options.
309 Do not call it ANSI C++.
310 (-foperator-names): Document as -fno-operator-names.
312 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
314 * cpphash.c (timestamp): Delete.
315 (del_HASHNODE): If type is T_MCONST, free value.cpval.
316 (special_symbol): Remove unnecessary braces. Remove
317 T_VERSION. Treat T_STDC like T_CONST unless
318 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
319 when one is encountered, then convert them into T_MCONST
321 * cppinit.c (builtin_array): version_string is T_MCONST.
322 __STDC__ has a "1" in its cpval. Don't have a terminator
323 entry. Clean up which entries are dumped.
324 (initialize_builtins): Only __STDC__ gets the special
325 -traditional treatment. Count the length of builtin_array.
326 Render version_string here.
327 * cpphash.h: Remove T_VERSION. Add T_MCONST.
328 * cpplib.h (struct cpp_reader): Remove timebuf.
330 2000-04-09 Richard Henderson <rth@cygnus.com>
332 * genrecog.c (pred): Update comparison_operator for the unordered
335 * config/i386/i386.c (no_comparison_operator): Disallow unordered
337 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
338 (uno_comparison_operator): New.
339 (put_condition_code): Handle UNORDERED/ORDERED.
340 (unsigned_comparison): Likewise.
341 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
342 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
343 (ix86_expand_fp_compare): Use them. Take scratch as argument,
344 update all callers. Handle all 8 unordered operators.
345 (ix86_expand_setcc): Lose the unordered argument, update all callers.
346 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
347 * config/i386/i386.h (PREDICATE_CODES): Update.
348 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
349 (ix86_expand_branch, ix86_expand_setcc): Update.
350 * config/i386/i386.md (sunordered, sordered): New.
351 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
352 (bunordered, bordered): New.
353 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
354 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
355 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
357 2000-04-09 Philip Blundell <philb@gnu.org>
359 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
361 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
363 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
364 fix_truncxfhi2): New patterns.
365 * i386.c (output_fix_trunc): Handle converting to HImode.
367 2000-04-08 Alex Samuel <samuel@codesourcery.com>
369 * ssa.c (convert_to_ssa): Eliminate dead code when calling
371 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
372 (for_each_successor_phi): Change parameter to basic_block.
373 (coalesce_regs_in_successor_phi_nodes): Likewise.
374 (coalesce_regs_in_copies): Likewise.
375 (compute_coalesced_reg_partition): Use basic_block instead of index.
376 * rtl.h (convert_to_ssa): Delete.
377 (convert_from_ssa): Likewise.
378 (successor_phi_fn): Likewise.
379 (for_each_successor_phi): Likewise.
380 (in_ssa_form): Likewise.
381 * basic-block.h (convert_to_ssa): Moved from rtl.h.
382 (convert_from_ssa): Likewise.
383 (successor_phi_fn): Likewise.
384 (in_ssa_form): Likewise.
385 (for_each_successor_phi): Likewise. Change parameter to basic_block.
386 * flow.c (calculate_global_regs_live): Pass a basic_block to
387 for_each_successor_phi.
389 2000-04-08 Richard Henderson <rth@cygnus.com>
391 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
392 was modified in the current insn.
394 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
396 * arm/thumb.md: Delete.
397 * arm/thumb-protos.h: Delete.
399 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
401 Merge changes from merged-arm-thumb-backend-branch onto trunk.
403 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
405 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
408 * arm.md (nop): Use the standard RTL expression. Don't code as a
410 (*arm_nop, *thumb_nop): Delete.
412 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
413 constants. Use casts instead.
414 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
415 output_multi_immediate, arm_poke_function_name): Likewise.
416 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
417 MASK_RETURN_ADDDR): Likewise.
419 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
421 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
424 * arm.md (eh_epilogue): New function.
425 * arm.h (struct machine_function): Move to here ...
426 * arm.c: ... from here.
427 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
428 (thumb_exit): Extra parameter eh_ofs. All callers changed.
429 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
431 2000-03-30 Nick Clifton <nickc@cygnus.com>
433 * config/arm/semi.h (ASM_SPEC): Restore definition.
434 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
436 * config/arm/elf.h (ASM_SPEC): Restore definition.
437 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
439 * config/arm/arm.h (ASM_SPEC): Remove definition.
440 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
442 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
444 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
446 2000-03-24 Nick Clifton <nickc@cygnus.com>
448 Various formating tidyups, elimination of compile time
449 warnings and synchronisation with internal sources:
451 * config/arm/arm-protos.h (assemble_align): Add prototype.
452 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
453 (gen_comapre_reg): Rename to arm_gen_compare_reg.
454 (arm_return_addr_rtx): Rename to arm_return_addr.
456 * config/arm/arm.c: Include except.h.
457 Define shorter typenames for strict minipool_node and struct
459 (arm_return_in_memory): For WinCE return all structures <= 32 bits
461 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
462 (gen_comapre_reg): Rename to arm_gen_compare_reg.
464 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
466 (ASM_SPEC): Define if not already defined.
467 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
469 * config/arm/arm.md: Rename references to gen_rotated_half_load to
470 arm_gen_rotated_half_load, and references to gen_comapre_reg to
472 (indirect_jump): Only accept register operands.
473 (load_indirect_jump): Keep this pattern since combine can generate
476 * config/arm/coff.h: Include aout.h.
477 (MULTILIB_DEFAULTS): Only define if not already defined.
479 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
480 into arm.h (so that COFF ports can support thumb based aliases).
481 (ASM_SPEC): Move definition into arm.h
483 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
485 (ASM_SPEC): Move definition to arm.h
487 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
489 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
490 for entries in the .bss section
492 2000-03-23 Nick Clifton <nickc@cygnus.com>
494 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
495 to thumb_far_jump_used_p.
497 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
498 single integer parameter.
500 * config/arm/arm.c (struct machine_function): Add two new
501 fields, 'far_jump_used' and 'arg_pointer_live'.
502 (thumb_far_jump_used_p): Once the decision has been made that
503 far jumps might be used, always return true.
504 If being called from the initial elimination offset macro then
505 do not bother to perform the test if the arg pointer is not
507 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
508 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
510 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
512 * arm.c (output_return_instruction): Handle more cases where we can
513 return from a function with an ldr instruction.
514 (arm_output_epilogue): Likewise.
516 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
517 if we need to push a large stack frame and there are no callee-saved
520 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
521 in ARM code if the frame pointer has been eliminated.
523 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
524 unspec_volatile arguments to avoid duplicates.
525 (consttable_1, consttable_2): Fixes for big-endian mode.
527 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
530 Re-write constant pool code.
531 * arm.c (minipool_node, minipool_fix): New types.
532 (minifix): Delete type.
533 (arm_add_minipool_constant): Delete.
534 (arm_compute_minipool_offsets, arm_find_barrier,
535 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
536 (get_jump_table_size): Now returns HOST_WIDE_INT.
537 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
539 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
540 (assign_minipool_offsets, arm_print_value): Likewise.
541 (dump_minipool): Rewrite.
542 (arm_barrier_cost): New function.
543 (create_fix_barrier): New function.
544 (push_minipool_barrier): New function.
545 (push_minipool_fix): Record additional information about the fixup
547 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
548 check the mode of what needs fixing.
549 (arm_reorg): Rewrite.
551 2000-03-08 Nick Clifton <nickc@cygnus.com>
553 * config/arm/arm.md (indirect_jump): Force constant addresses into
556 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
558 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
560 2000-02-24 Nick Clifton <nickc@cygnus.com>
562 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
563 adjust is word aligned.
564 (thumb_expand_epilogue): Make sure that stack adjust is word
567 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
569 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
571 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
572 pointer relative addresses.
574 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
576 * arm.c (find_barrier): Find the last barrier within the allowed
579 2000-02-09 Nick Clifton <nickc@cygnus.com>
581 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
583 2000-02-09 Nick Clifton <nickc@cygnus.com>
585 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
586 ARM_FUNCTION_PROFILER.
588 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
589 ARM_FUNCTION_PROFILER.
591 * config/arm/linux-oldld.h: Imported from mainline sources.
593 2000-02-07 Nick Clifton <nickc@cygnus.com>
595 * config/arm/lib1funcs.asm: Merge in thumb functions from
598 * config/arm/lib1thumb.asm: Delete.
600 2000-02-04 Nick Clifton <nickc@cygnus.com>
602 * config/arm/arm.c: Sychronised with current Red hat local
604 * config/arm/arm.h: Ditto.
605 * config/arm/arm-protos.h: Ditto.
607 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
609 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
611 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
614 2000-02-02 Nick Clifton <nickc@cygnus.com>
616 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
618 * config/arm/arm.md (epilogue): Fix rtl checking abort because
619 (return) was emited using an emit_insn() call.
621 2000-01-31 Nick Clifton <nickc@cygnus.com>
623 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
625 (thumb_exit): Move frame pointer back into hard frame pointer
626 register if backtracing is being used.
628 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
630 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
633 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
635 * config/arm/arm.md (neg_pool_offset): Provide default for new
637 (arm_movsi_insn): Add neg_pool_offset attribute.
638 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
639 rtx for the insn that starts the scan and an unsigned long for its
640 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
641 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
642 instructions in *PINSERTED.
643 (struct minipool_fixup): Add MIN_ADDRESS elt.
644 (sort_fixups): Compute it.
645 (arm_reorg): Changes to support inserting pools before the insn to be
648 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
650 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
651 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
652 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
654 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
656 * config/arm/semi.h (TARGET_VERSION): Do not define if already
658 (TARGET_DEFAULT): Do not define if already defined.
660 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
662 * config/arm/arm.md (anddi3): Allow disjoint source operands.
663 (iordi3): Allow disjoint source operands.
664 (xordi3): Allow disjoint source operands.
665 (negdi2): Permit construction for ARM and Thumb.
666 (arm_negdi2): Renamed version of old negdi2 pattern.
667 (thumb_negdi2): New pattern: Only permit non-overlapping
668 source and destination.
670 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
672 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
673 scratch low register so that it will not be deleted.
675 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
677 * config/arm/pe.h (ARM_PE): Define.
679 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
680 interfacearm attribute if this is a PE toolchain.
681 (output_return_instruction): Do not emit anything if the function
682 has the naked attribute set.
683 (is_called_in_ARM_mode): If the function has the interfacearm
684 attribute then return true.
685 (thumb_expand_prologue): Do not generate a prologue for naked
687 (thumb_expand_epilogue): Do not generate an epilogie for a naked
689 (output_thumb_prologue): Do not bother if the function is naked.
690 Strip PE encoding from function name before emitting.
692 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
694 * arm.md (pic_load_addr): Fix constraints.
696 * arm.md (casesi_insn): Fix mis-applied patch.
698 * arm.md ("core" function unit): Add rules for single- and
700 (All TARGET_THUMB patterns): Add "type" attribute information
702 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
703 the following insn is a CALL.
705 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
707 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
708 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
709 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
711 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
713 * config/arm/linux-gas.h: oops - this file was missed out when the
714 branch was created...
716 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
718 * thumb.c: Deleted. Move contents to ...
720 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
722 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
725 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
726 declare a prototype for asm_output_align();
728 * arm.c (thumb_condition_code): Delete.
729 (arm_print_operand): Always use arm_condition_code array.
731 * arm.c (thumb_return_addr_rtx): Delete.
732 (arm_save_machine_status, arm_restore_machine_status): Delete.
733 (arm_init_machine_status, arm_mark_machine_status): New functions.
734 (arm_init_expanders): Update accordingly.
735 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
736 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
737 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
739 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
741 * configure.in : Fix arm-*-aout target to use new t-arm-aout
743 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
746 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
748 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
749 stack backtrace structure.
751 * config/arm/arm-protos.h: Add prototypes for functions defined in
754 * config/arm/arm.c (arm_override_options): Fix selection of
755 attributes of default processor.
757 * config/arm/coff.h: Delete needless #include.
759 * config/arm/pe.c: Delete unused code.
761 * config/arm/pe.h (CPP_DEFINES): Delete
762 (SUBTARGET_CPP_SPEC): Define.
763 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
765 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
767 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
769 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
771 (CAN_DEBUG_WITHOUT_FP): Define.
772 (FIXED_REGISTERS): Make r11 call-saved.
773 (CALL_USED_REGISTERS): Likewise.
774 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
775 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
776 frame-pointer is required.
777 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
778 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
779 if the target normally needs a stack frame in non-leaf functions.
780 (use_return_insn): Correct logic for determining when a return
781 instruction can be used.
782 (output_return_instruction): Handle the frame-pointer register as
783 a normal register when not TARGET_APCS_FRAME.
784 (arm_output_prologue): Likewise.
785 (arm_output_epilogue): Likewise.
786 (output_func_epilogue): Likewise.
787 (arm_expand_prologue): Likewise.
788 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
790 * arm.c (use_return_insn): No need to check floating point regs if
792 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
793 the code of value stored in the minipool array.
794 (arm_add_minipool_constant): Likewise.
796 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
798 * basic-block.h (conflict_graph_enum_fn): K&R fix.
800 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
802 * tree.c (tree_expr_nonnegative_p): New function.
804 * tree.h (tree_expr_nonnegative_p): Declare.
806 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
807 elide some sign_compare warnings.
808 (build_conditional_expr): Likewise.
810 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
812 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
814 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
815 * i386.c (print_operand): Use the proper suffix for a 387 HImode
816 operand. Abort if a 387 operand has an unsupported size.
818 2000-04-08 Neil Booth <NeilB@earthling.net>
820 * cppexp.c (parse_charconst): Null does not end character
822 * cppinit.c (ISTABLE): Null character handled as whitespace.
823 * cpplex.c (null_warning): new function.
824 (skip_string): Emit warning if nulls encountered.
825 (_cpp_skip_hspace): Emit warning if nulls encountered.
826 (_cpp_lex_token): Emit warning if nulls encountered. Drop
830 2000-04-07 Richard Henderson <rth@cygnus.com>
832 * flow.c (loop_depth): Remove.
833 (reg_next_use, cc0_live, mem_set_list): Replace with ...
834 (struct propagate_block_info): New.
835 (life_analysis): Don't allocate reg_next_use.
836 (propagate_block_delete_insn): Break out of propagate_block.
837 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
838 (propagate_block_delete_libcall): Likewise.
839 (propagate_block): Create a propagate_block_info struct to pass
840 to subroutines. Allocate one not two temporary regsets. Don't
841 clobber memory for const calls. Look for clobbers in
842 CALL_INSN_FUNCTION_USAGE.
843 (mark_set_regs): Recognize COND_EXEC.
844 (mark_set_reg): Break out of mark_set_1.
845 (mark_used_reg): Break out of mark_used_regs.
846 (mark_used_regs): Recognize COND_EXEC.
847 (insn_dead_p): Use propagate_block_info struct.
848 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
849 (find_auto_inc, try_pre_increment_1): Likewise.
850 (print_rtl_with_bb): Dump regs live at end too.
851 (count_reg_sets_1): Pass in loop_depth.
852 (count_reg_sets, count_reg_references): Likewise.
853 (recompute_reg_usage): Provide it.
855 2000-04-07 Richard Henderson <rth@cygnus.com>
857 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
860 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
862 * cpplib.c (do_elif): Skip the rest of the line if we're
863 not going to bother evaluating it.
864 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
865 to avoid pointless calls to the lexer.
867 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
869 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
871 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
873 * calls.c (expand_call): emit_queue if we're trying a sibcall.
875 2000-04-07 Jakub Jelinek <jakub@redhat.com>
877 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
879 2000-04-06 Geoff Keating <geoffk@cygnus.com>
881 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
882 crtend so they can be multilibbed.
883 (STAGESTUFF): Remove s-crt and s-crtS.
885 2000-04-07 Richard Henderson <rth@cygnus.com>
887 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
888 if we discover we need a pseudo and no_new_pseudos is true.
889 * config/alpha/alpha.md (ne:DI insn): New.
890 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
892 2000-04-07 Richard Henderson <rth@cygnus.com>
894 * rtl.def (COND_EXEC): New.
895 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
896 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
898 * genconfig.c (have_cond_arith_flag): Remove.
899 (have_cond_exec_flag): New.
900 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
901 (main): Print HAVE_conditional_execution.
903 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
904 (sched_analyze_insn, print_pattern): Likewise.
905 * reload.c (find_equiv_reg): Likewise.
906 * rtlanal.c (reg_referenced_p): Likewise.
907 (note_stores, dead_or_set_regno_p): Likewise.
908 (reg_overlap_mentioned_p): Rewrite to use a switch.
910 * ggc.h (struct rtx_def): Forward declare.
912 * print-rtl.c (debug_rtx_range): New.
913 * rtl.h (debug_rtx_range): Declare.
915 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
917 * gcse.c (gcse_main): Don't rebuild the CFG here.
918 (delete_null_pointer_checks): Likewise.
919 * ssa.c (convert_to_ssa): Likewise.
920 * toplev.c (rest_of_compilation): Do it here instead. Combine
921 sequential calls to TIMEVAR. Consistently use `insns' instead of
922 `get_insns()'. Always split insns after reload when optimizing.
924 * basic-block.h (merge_blocks_nomove): Declare.
925 (tidy_fallthru_edge): Declare.
926 * flow.c (merge_blocks_nomove): Document as merging into previous
927 blocks. Remove cruft from between blocks; remove all edges out of A.
928 (tidy_fallthru_edge): Export.
930 2000-04-06 Alex Samuel <samuel@codesourcery.com>
932 * ssa.c (compute_conservative_reg_partition): Declare with
934 * toplev.c (clean_dump_file): Remove previously-deleted function
935 inadvertantly merged back in.
936 * conflict.c (conflict_graph_add): Use a single call to
937 htab_find_slot to look up and insert.
939 2000-04-06 Richard Henderson <rth@cygnus.com>
941 * genrecog.c (*): Rename _last_insn to last_insn.
942 (make_insn_sequence): Set the position of the peephole2 C test
943 to be at the last insn.
945 2000-04-06 Richard Henderson <rth@cygnus.com>
947 * flow.c (compute_flow_dominators): Free worklist.
949 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
951 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
953 2000-04-06 Alex Samuel <samuel@codesourcery.com>
955 * rtl.h (INSN_P): New macro.
956 (successor_phi_fn): New typedef.
957 (for_each_successor_phi): New prototype.
958 (in_ssa_form): New variable.
959 (PHI_NODE_P): Likewise.
960 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
961 phi nodes in successors.
962 (mark_used_regs): Add PHI case.
963 (set_phi_alternative_reg): New function.
964 (life_analysis): Assert that dead code elimination is not selected
966 * toplev.c (to_ssa_time): New variable.
967 (from_ssa_time): Likewise.
968 (compile_file): Zero to_ssa_time and from_ssa_time.
969 Print time to convert to and from SSA.
970 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
971 (print_time): Compute percent fraction as integer.
972 * ssa.c (PHI_NODE_P): Moved to rtl.h.
973 (convert_to_ssa): Check if we're already in SSA.
974 Don't eliminate dead code in life_analysis.
975 Rerun flow and life analysis at bottom.
976 (eliminate_phi): Use canonical regnos when adding nodes.
977 (mark_reg_in_phi): New function.
978 (mark_phi_and_copy_regs): Likewise.
979 (convert_from_ssa): Rerun life analysis at top.
980 Use coalesced partition.
981 Check for removing a phi node at the end of the block.
982 (compute_coalesced_reg_partition): New function.
983 (coalesce_regs_in_copies): Likewise.
984 (coalesce_reg_in_phi): Likewise.
985 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
986 (for_each_successor_phi): Likewise.
987 (rename_context): New struct.
988 (rename_block): Use a rename_context with rename_insn_1. When
989 renaming sets of a subreg, emit a copy of the entire reg first.
990 (rename_insn_1): Treat data as a rename_context *. Save current
992 (rename_set_data): Add field set_insn.
993 * Makefile.in (HASHTAB_H): Move up in file.
994 (OBSTACK_H): New macro.
995 (collect2.o): Use OBSTACK_H in dependencies.
996 (sdbout.o): Likewise.
997 (emit-rtl.o): Likewise.
998 (simplify-rtx.o): Likewise.
999 (fix-header.o): Likewise.
1000 (OBJS): Add conflict.o.
1001 (conflict.o): New rule.
1002 * basic-block.h: Include partition.h.
1003 (conflict_graph): New typedef.
1004 (conflict_graph_enum_fn): Likewise.
1005 (conflict_graph_new): New prototype.
1006 (conflict_graph_delete): Likewise.
1007 (conflict_graph_add): Likewise.
1008 (conflict_graph_conflict_p): Likewise.
1009 (conflict_graph_enum): Likewise.
1010 (conflict_graph_merge_regs): Likewise.
1011 (conflict_graph_print): Likewise.
1012 (conflict_graph_compute): Likewise.
1013 * conflict.c: New file.
1015 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1017 * tlink.c (read_repo_files): Don't look for .rpo info for
1020 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1022 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1024 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1026 * config/sh/lib1funcs.asm (___udivsi3_i4):
1027 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1028 only depends on FMOVD_WORKS.
1030 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1032 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1033 make double constant 8-byte aligned.
1035 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1037 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1038 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1039 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1040 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1041 Accept storing GENERAL_REGS into offsetable memory.
1042 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1043 building a TFmode constant other than 0.0L into GENERAL_REGS.
1045 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1047 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1049 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1051 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1052 (macro_cleanup): No need to cast pbuf->macro.
1053 (collect_expansion): Use _cpp_get_define_token. Goto done if
1054 it returns VSPACE. Remove check for trailing space after
1056 (_cpp_create_definition): Don't diddle flags here. Return
1058 (unsafe_chars): Handle c1 being EOF.
1059 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1060 checks. Don't push the buffer till after we're done with
1062 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1063 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1064 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1066 (_cpp_parse_assertion): Don't NUL terminate.
1067 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1068 hspace before calling _cpp_parse_assertion. Remove all sets
1069 of only_seen_white. Treat '\f' as hspace. Don't do anything
1070 special with '\n' here.
1071 (maybe_macroexpand): Handle T_EMPTY hash entries without
1072 pushing a buffer at all.
1073 (cpp_get_token): Handle clearing only_seen_white here. Handle
1074 incrementing the line number here. Clear
1075 potential_control_macro as well as only_seen_white, if
1077 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1078 (_cpp_get_define_token): New function, basically like
1079 _cpp_get_directive_token was but doesn't eat horizontal space.
1080 Don't do anything with only_seen_white here.
1081 (_cpp_get_directive_token): Just call _cpp_get_define_token
1082 repeatedly till it returns non-hspace.
1084 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1085 (conditional_skip, skip_if_group): Return int.
1086 (DIRECTIVE_TABLE): Change origin of all conditional directives
1088 (TRAD_DIRECT_P): New macro.
1089 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1090 an error for a bogus directive, unless -lang-asm. Use
1091 TRAD_DIRECT_P. Loop calling handler functions till one returns
1093 (get_macro_name): Don't diddle flags here.
1094 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1095 Create T_EMPTY nodes for #define macro /* nothing */.
1096 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1097 Use hp->name when calling pass_thru_directive.
1098 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1099 Return the result of conditional_skip and/or skip_if_group.
1100 Don't call _cpp_output_line_command.
1101 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1102 Issue -Wtraditional warnings as appropriate. Don't complain
1103 about unrecognized directives. If we are to stop skipping,
1104 return the number of the directive that ended the skip.
1105 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1106 expansion and line commands while skipping. Return the result
1107 of consider_directive_while_skipping, if nonzero.
1108 (do_endif): Just set potential_control_macro here.
1109 (validate_else): Use _cpp_get_directive_token.
1110 (do_assert, do_unassert): Don't save pointers into the
1111 token_buffer across calls to the lexer. Use
1112 _cpp_get_directive_token.
1114 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1115 pointer, not an offset. Replace 'data', which was a generic
1116 pointer, with 'macro', which points to a struct hashnode.
1117 (cpp_reader): Add 'potential_control_macro' pointer.
1118 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1119 (CPP_BUF_GET, CPP_FORWARD): Delete.
1120 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1121 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1122 ACTIVE_MARK_P): Update.
1123 (_cpp_get_define_token): New internal function.
1124 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1126 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1128 * configure.in: And here.
1129 * configure: Regenerate.
1130 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1131 --enable-libstdcxx-v3 is passed at configure time.
1132 * config.h.in: Regenerate.
1134 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1136 * final.c (final): Use xcalloc to allocate line_note_exists.
1137 * function.c (free_after_compilation): Free the temp_slots.
1138 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1139 (combine_temp_slot): Free temp_slots when they get combined.
1140 (purge_addressof): Fix typo in comment.
1141 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1142 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1144 * ggc.h: Include varray.h.
1145 (ggc_pending_trees): Declare.
1146 (ggc_mark_tree_children): Remove declaration.
1147 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1148 * ggc-common.c (ggc_pending_trees): New variable.
1149 (ggc_mark_roots): Call ggc_mark_trees.
1150 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1151 the ggc_pending_trees.
1152 * Makefile.in (GGC_H): New variable. Use it throughout in place
1155 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1157 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1160 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1162 * sh.c (sh_insn_length_adjustment): New function.
1163 * sh-protos.h (sh_insn_length_adjustment): Declare.
1164 * sh.h (ADJUST_INSN_LENGTH): Use it.
1166 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1168 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1169 from the insn where REG_RETVAL is added.
1170 (emit_no_conflict_block): Ditto.
1172 * md.texi (Standard Names): Clarify when movX is needed.
1174 * combine.c (simplify_comparison) [MINUS]: Do not replace
1175 all (op (minus A B) 0) with (op A B).
1177 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1178 J"orn Rennecke <amylaar@cygnus.co.uk>
1180 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1181 (block_lump_real): Likewise.
1183 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1185 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1186 remaining non-zero debugging masks.
1188 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1190 * basic-block.h (verify_flow_info): Declare.
1191 (flow_loop_outside_edge_p): Declare.
1192 * flow.c (verify_flow_info): Remove declaration.
1193 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1195 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1197 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1200 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1202 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1203 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1204 seqdi_zero_trunc+1): Allow splits only if registers are
1207 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1209 * acconfig.h: Add HAVE_GAS_HIDDEN.
1210 * config.in: Regenerated.
1211 * configure.in: Add test for .hidden pseudo-op in gas.
1212 * configure: Regenerated.
1213 * crtstuff.c: Include auto-host.h.
1214 Emit additional .hidden pseudo-op for __dso_handle if the
1215 assembler knows about it.
1217 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1219 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1220 before freeing argnames.
1221 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1223 2000-04-05 Michael Meissner <meissner@redhat.com>
1225 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1226 Walton <jonboy@gordian.com> to make memory references with update
1227 work wtih -mregnames.
1229 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1231 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1232 (regrename_optimize): Rename variables `def_uses' and
1233 `ext_basic_blocks' to avoid conflicts with similarly named
1234 typedefs in traditional C.
1236 * calls.c (initialize_argument_information): Fix typo in previous
1239 2000-04-04 Richard Henderson <rth@cygnus.com>
1241 * regrename.c (consider_available): Test fixed_regs not
1242 PIC_OFFSET_TABLE_REGNUM.
1244 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1246 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1248 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1249 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1250 (ENDFILE_LINUX_SPEC): Always use crtend.
1251 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1252 (powerpc-*-linux-gnu): Likewise.
1253 * configure: Regenerate.
1255 * config/rs6000/eabi.h: Don't include sysv4.h.
1256 (MULTILIB_DEFAULTS): Don't define.
1257 * config/rs6000/eabiaix.h: Don't include eabi.h.
1258 * config/rs6000/eabile.h: Delete.
1259 * config/rs6000/eabilesim.h: Delete.
1260 * config/rs6000/eabisim.h: Don't include eabi.h.
1261 * config/rs6000/linux.h: Don't include sysv4.h.
1262 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1263 (MULTILIB_DEFAULTS): Don't redefine.
1264 * config/rs6000/rtems.h: Don't include eabi.h.
1265 * config/rs6000/sol2.h: Don't include sysv4le.h.
1266 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1267 * config/rs6000/t-ppc: Delete.
1268 * config/rs6000/t-ppcgas: Correct comment.
1269 * config/rs6000/t-ppcos: Correct comment. Don't build
1270 multilibs for -fPIC, rather use -fPIC -mstrict-align
1272 * config/rs6000/t-ppc: Delete.
1273 * config/rs6000/vxppc.h: Don't include sysv4.h.
1274 * config/rs6000/vxppcle.h: Delete.
1275 * configure.in: Use multiple header files for p2pc ELF targets
1276 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1277 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1278 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1279 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1280 always available for these platforms.
1282 2000-04-04 Richard Henderson <rth@cygnus.com>
1284 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1286 2000-04-04 Stan Cox <scox@cygnus.com>
1288 * Makefile.in: Add rules for regrename.o
1289 * regrename.c: New file.
1290 * rtl.h (regrename_optimize): Add prototype.
1291 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1292 (compile_file, decode_d_option): Add support for -frename-registers.
1293 (rest_of_compilation): Call regrename_optimize.
1294 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1297 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1299 * Makefile (gccbug): New target.
1300 (doc): Depend on it.
1301 * gcc.texi (Bugs): Link subnodes.
1303 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1304 Document severities, priorities, and classes in bug form.
1306 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1308 * cpplex.c (trigraph_map, speccase): Combine into single
1310 (NORMAL, NONTRI): New macros.
1311 (_cpp_read_and_prescan): Change to use unified table. Use
1312 is_hspace to test for whitespace.
1314 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1315 definition that doesn't provoke the "empty body in an
1316 if-statement" warning.
1318 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1320 * builtins.c (expand_builtin_strlen): Force the source to
1321 be a memory address.
1323 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1325 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1327 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1329 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1330 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1331 (ECF_IS_CONST): Rename to ECF_CONST.
1332 (special_function_p): Make static, change interface.
1333 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1334 (expand_call) ... here; convert number of variables to flags.
1335 (emit_library_call_vlue_1): Likewise.
1336 (setjmp_call_p): New function.
1337 (initialize_argument_information): Accepts flags as argument;
1339 (precompute_arguments): Likewise.
1340 * tree.h (special_function_p): Remove.
1341 (setjmp_call_p): Add prototype.
1343 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1345 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1346 so that addresses are offsetable by up to 16 bytes.
1347 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1348 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1351 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1352 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1353 (movsf): Don't force any constant to memory if target is integer
1355 Move fp_zero_operand check below the const0_rtx check.
1356 (movtf): Likewise. Also allow fp_zero_operand for stores into
1358 (movdf): Likewise. Also allow fp_zero_operand for stores into
1359 memory and into integer hard registers.
1360 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1361 movdf_const_intreg_sp64): Remove.
1362 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1364 (movdf_no_e_insn_v9_sp32): New pattern.
1365 (movdf_insn_v9only): Remove.
1366 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1367 (movdf_insn_sp64): Remove.
1368 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1369 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1370 (following splits): Rewrite conditions. Add two new splits
1371 for storing 0.0 into memory and registers.
1372 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1373 (movtf_insn_sp32): Redo constraints and conditions.
1374 (movtf_insn_vis_sp32): New pattern.
1375 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1376 (movtf_insn_hq_sp64): Likewise.
1377 (movtf_insn_hq_vis_sp64): New pattern.
1378 (movtf_insn_sp64): Redo constraints and conditions.
1379 (movtf_insn_vis_sp64): New pattern.
1380 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1381 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1383 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1384 -mvis or -m64 to take down the number of various reload patterns.
1386 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1388 * pa/pa-64.h: New file.
1389 * pa/pa64-regs.h: New file.
1390 * pa/pa64-start.h: New file.
1391 * pa/t-pa64: New file.
1392 * pa/xm-pa64hpux.h: New file.
1394 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1396 * sparc.c (output_restore_regs): Prototype.
1397 (sparc_emit_float_lib_cmp): Constification.
1399 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1401 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1404 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1405 (get_value_hash, hash_rtx): Likewise.
1407 * ssa.c (compute_conservative_reg_partition): Prototype.
1409 * tree.c (mark_hash_entry): Prototype.
1411 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1413 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1414 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1415 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1417 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1418 * objc/lang-specs.h: Likewise.
1420 2000-04-03 Neil Booth <NeilB@earthling.net>
1422 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1423 and SYNTAX_ERROR2. Replace `' in messages with ''.
1424 (op_to_str): Make re-entrant.
1425 (_cpp_parse_expr): Implement new error macros. Use | rather
1426 than || to logically or 2 boolean integers. Simply expression
1427 checking we have a left operand iff needed.
1429 2000-04-03 Nick Clifton <nickc@cygnus.com>
1431 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1433 2000-04-03 Philip Blundell <philb@gnu.org>
1435 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1437 2000-04-03 Felix Lee <flee@cygnus.com>
1439 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1440 (run_shell): Use it.
1442 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1444 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1445 (stmp-fixproto): ...rather than here.
1447 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1449 * pa.c (print_operand): Compute 'base' only inside the code paths
1452 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1454 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1457 2000-04-03 Philipp Thomas <pthomas@suse.de>
1459 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1461 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1463 * Makefile.in (alias.o): Depend on $(TREE_H).
1465 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1467 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1469 * cpplib.c (_cpp_handle_directive): Improve warnings for
1470 traditional C and indented directives.
1472 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1473 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1474 fixinc/inclhack.def: Indent the # of #include_next one space.
1475 * cp/rtti.c: Un-indent #if and #endif.
1477 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1478 syntax error, but an error has already been printed.
1479 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1480 message when called with nothing remaining on the line.
1481 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1482 OTHER token, not an ASSERTION.
1483 * cpplib.c (do_assert): When we create a 'base' node, clear
1484 its aschain pointer.
1486 2000-04-02 Neil Booth <NeilB@earthling.net>
1488 * cppexp.c: New typedef op_t. struct operation and struct
1489 token updated to use it.
1490 (op_to_str): New function.
1491 (_cpp_parse_expr): Error messages modified to use op_to_str.
1493 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1495 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1496 before checking MUST_PASS_IN_STACK.
1498 2000-04-02 Neil Booth <NeilB@earthling.net>
1500 * cppexp.c: New FINISHED dummy token. Combine operator initial
1501 flags and initial priority into a single constant. New
1502 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1503 (_parse_cpp_expr): Implement new constants. Take left operand
1504 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1505 parse indicated by reducing FINISHED token. Remove new lines
1506 from cpp_error messages.
1508 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1510 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1513 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1515 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1516 directive. Add origin values to DIRECTIVE_TABLE. Generate
1517 the strings and function names on the fly. Take the #sccs
1518 entry out of the table if SCCS_DIRECTIVE is not defined.
1519 (_cpp_handle_directive): Decide if the # was at the beginning
1520 of the line here. Issue -pedantic warnings for extended
1521 directives here. Warn about K+R directives with the #
1522 indented, and C89/extended directives with the # not indented,
1524 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1525 do_assert, do_unassert): Don't issue pedantic warning here.
1527 * cpphash.h: Add CPP_WTRADITIONAL macro.
1528 * cpplib.h (struct cpp_options): Rename warn_stringify to
1529 warn_traditional; update comments.
1530 * cppinit.c (handle_option): Set warn_traditional not
1532 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1533 CPP_WTRADITIONAL (pfile).
1534 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1535 be ignored in -traditional mode here.
1537 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1538 to initialize speccase[] and trigraph_map[]. Delete all
1539 references to pfile->input_speccase. Always treat '?' as a
1540 special character. Remove table-initialization code from
1541 _cpp_init_input_buffer.
1543 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1544 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1546 2000-04-01 Richard Henderson <rth@cygnus.com>
1548 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1549 (mostlyclean): Likewise.
1551 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1552 (struct dump_file_info, enum dump_file_index, dump_file): New.
1553 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1554 not a string. Clean out file if we havn't yet done so. Do nothing
1555 if the dump isn't enabled.
1556 (close_dump_file): Do nothing if the dump isn't open. Dump
1557 graph data if requested.
1558 (dump_rtl, clean_dump_file): Remove.
1559 (compile_file): Don't clean the dump files. Only finalize .bp dump
1560 if flag_test_coverage or flag_branch_probabilities. Only finalize
1561 .combine dump if optimizing. Iterate over dump_file to finalize the
1563 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1564 Convert all uses of dump_rtl.
1565 (decode_d_option): Iterate over dump_file to implement 'a' and to
1566 locate pass-specific dumps.
1568 2000-04-01 Neil Booth <NeilB@earthling.net>
1570 * cppexp.c: Redefine priority constants.
1571 (_cpp_parse_expr): Replace left and right priority scheme with
1572 single priority logic. Move LOGICAL to same place as COMPARE.
1573 Remove bogus check for multiple unary +/- operators.
1575 2000-04-01 Neil Booth <NeilB@earthling.net>
1577 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1578 within the switch statement. Binary operations break out of
1579 the switch naturally. '(' tokens handled by forcing
1580 immediate shift. ')' handled by forcing immediate reduce to
1581 the previous '('. New error messages.
1583 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1585 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1586 part', it's already in use. Use %K instead. Add a return at the
1587 end of what is now %K.
1588 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1590 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1592 * builtins.c (expand_builtin_apply): Pass proper parameters to
1593 allocate_dynamic_stack_space.
1594 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1595 update stack_pointer_delta; do not update arg_size_so_far.
1596 (compute_argument_block_size): Use stack_delta instead of
1597 stack_pointer_pending and arg_size_so_far.
1598 (expand_call): Add sanity checking for stack_pointer_delta;
1599 save and restore stack_pointer_delta for SIB, use
1600 stack_pointer_delta for alignment; do not update arg_space_so_far.
1601 (emit_library_call_value): Use stack_pointer_delta for alignment.
1602 (store_one_arg): Do not update arg_space_so_far.
1603 * explow.c (adjust_stack, anti_adjust_stack): Update
1604 stack_pointer_delta.
1605 (allocate_dynamic_stack_space): Add sanity checking for
1606 stack_pointer_delta.
1607 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1608 stack_pointer_delta.
1609 (emit_push_insn): Update stack_pointer_delta.
1610 * function.h (struct expr_status): Add x_stack_pointer_delta;
1611 remove x_arg_space_so_far.
1612 (arg_space_so_far): Remove.
1613 (stack_pointer_delta): New macro.
1615 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1617 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1618 Reorder struct cpp_options and struct cpp_reader for better
1619 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1620 takes two args. Change all 'char' flags to 'unsigned char'.
1621 Move show_column flag into struct cpp_options. Don't
1622 prototype cpp_options_init.
1623 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1624 cppinit.c, cpplex.c, cpplib.c:
1625 Replace CPP_OPTIONS (pfile)->whatever with
1626 CPP_OPTION (pfile, whatever), and likewise for
1627 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1629 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1630 Extract CPP_OPTION (pfile, pending) and work with that
1632 (cpp_options_init): Delete.
1633 (cpp_reader_init): Turn on on-by-default options here.
1634 Allocate the pending structure here.
1635 (cl_options, enum opt_code): Define these from the same table,
1636 kept in a large macro. Add -fshow-column and -fno-show-column
1639 * cpperror.c (v_message): If show_column is off, don't print
1642 * cppmain.c: Update for new interface.
1643 * fix-header.c: Likewise.
1645 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1647 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1649 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1650 are passed to any invocation of AR_FOR_TARGET.
1651 (AR_CREATE_FOR_TARGET): New macro.
1652 (AR_EXTRACT_FOR_TARGET): New macro.
1653 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1654 AR_EXTRACT_FOR_TARGET.
1655 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1656 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1657 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1658 AR_EXTRACT_FOR_TARGET to sub-makes.
1660 2000-03-31 Neil Booth <NeilB@earthling.net>
1662 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1664 (_cpp_parse_expr): Check for multiple unary +/- operators.
1665 Correct priorities of ':' and '?'. Treat ')' as having a
1666 value. Ensure conditional expression is not void.
1668 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1670 * alias.c (canon_rtx): Make it global.
1671 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1673 * cse.c (struct table_elt): Add canon_exp.
1675 (invalidate): Canonicalize expressions only once.
1676 * rtl.h (canon_rtx): Declare.
1678 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1680 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1681 * alias.c (reg_known_value): Add comments.
1682 (init_alias_analysis): Likewise.
1683 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1685 (cse_basic_block): Fix typo in comment.
1686 * emit-rtl.c: Include hashtab.h.
1687 (const_int_htab): New variable.
1688 (const_int_htab_hash): New function.
1689 (const_int_htab_eq): Likewise.
1690 (rtx_htab_mark_1): Likewise.
1691 (rtx_htab_mark): Likewise.
1692 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1693 (unshare_all_rtx): Fix formatting.
1694 (init_emit_once): Initialize const_int_htab.
1695 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1697 * rtl.texi: Document the fact that all CONST_INTs with the same
1700 2000-03-30 Richard Henderson <rth@cygnus.com>
1702 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1704 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1706 * configure.in: Comment out --enable-c-cpplib stanza.
1707 * configure: Regenerate.
1709 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1711 * expr.c (store_constructor): Properly compute displacement and
1712 alignment when offset is variable.
1714 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1715 cases of alignment in bytes.
1717 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1719 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1720 since it is used to generate c-parse.y.
1721 * objc-parse.c, objc-parse.y: Regenerated.
1723 * function.c (expand_function_end): Pass alignment argument to
1724 emit_block_move in bits, not bytes.
1726 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1728 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1731 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1733 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1734 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1735 * function.c (assign_parms): Likewise.
1736 * integrate.c (expand_inline_function): Likewise.
1737 * stmt.c (expand_decl): Likewise.
1738 (copy_rtx_and_substitute): Likewise.
1739 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1740 (clear_by_pieces): Fix error in last change.
1741 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1742 * function.h (regno_pointer_align): Now unsigned.
1743 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1745 * config/i386/i386.c (aligned_operand): Likewise.
1746 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1747 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1748 (unaligned_memory_operand): Likewise.
1749 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1750 Also make alignments and sizes unsigned and some whitespace cleanup.
1751 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1753 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1754 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1755 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1756 (expand_builtin_memset): Likewise, but to clear_storage.
1757 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1758 (restore_fixed_argument_area): Likewise.
1759 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1760 (load_register_parameters): Likewise, to emit_group_load.
1761 (expand_call): Likewise, to emit_group_store and emit_block_move.
1762 (emit_library_call_value_1): Likewise, to emit_block_move.
1763 (store_one_arg): Likewise, and to emit_push_insn.
1764 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1765 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1766 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1767 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1768 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1769 (expand_assigment, store_expr, store_constructor_field): Likewise.
1770 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1771 (store_constructor, store_field, get_inner_reference): Likewise.
1772 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1773 (expand_expr, case COMPONENT_REF): Likewise.
1774 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1775 and positions; reindent code.
1776 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1777 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1778 (assign_parms): Likewise to emit_group_store.
1779 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1780 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1781 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1782 (expand_return): Likewise to {extract,store}_bit_field.
1783 * stor-layout.c (get_mode_alignment): Minor cleanup.
1784 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1785 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1787 2000-03-29 Nick Clifton <nickc@cygnus.com>
1789 * config/arm/arm.h: Undo effects of previous delta:
1790 (ASM_SPEC): Do not define.
1791 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1793 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1796 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1798 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1799 only after reading in the primary source file.
1801 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1803 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1804 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1805 or a reference to a va_list.
1806 * builtins.c (stabilize_va_list): Simplify now we don't have to
1807 work around C array address decay.
1808 * c-typeck.c (convert_for_assignment): Handle assignment to
1809 a reference parameter by taking the address of the RHS.
1810 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1811 (va_copy): Likewise.
1812 (__va_copy): Likewise.
1813 * ginclude/varargs.h (va_start): Likewise.
1814 (__va_copy): Likewise.
1816 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1818 * i386/djgpp.h: Remove extraneous "+".
1820 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1822 * calls.c (expand_call): Fix typo in last change.
1824 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1826 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1829 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1831 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1832 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1833 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1834 * tree.c (bit_position, byte_position): Likewise.
1835 * tree.h: Declare new functions.
1837 2000-03-29 Nick Clifton <nickc@cygnus.com>
1839 * config/arm/arm.c: Minor formatting changes/
1840 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1842 (ASM_SPEC): Define if not already defined.
1844 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1846 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1849 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1851 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1852 value, don't output it as unsigned.
1854 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1856 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1858 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1860 * c-common.c (c_common_nodes_and_builtins): Don't special case
1861 cplus_mode when declaring builtin bzero/bcmp, always avoid
1862 prototype arguments.
1864 2000-03-29 Bruce Korb <bkorb@gnu.org>
1866 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1869 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1871 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1872 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1873 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1874 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1875 (save_fixed_argument_area, restore_fixed_argument_area):
1876 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1877 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1878 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1879 (precompute_register_parameters): Avoid #ifdefs on
1880 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1881 (stire_one_args): Likewise.
1882 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1883 (emit_library_call_value_1): Likewise.
1884 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1885 ACCUMULATE_OUTGOING_ARGS.
1886 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1888 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1889 (use_crosses_set_p): Likewise.
1890 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1891 #define ACCUMULATE_OUTGOING_ARGS 1.
1892 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1894 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1896 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1897 (TARGET_SWITCHES): Add push-args, no-push-args,
1898 accumulate-outgoing-args and no-accumulate-outgoing-args.
1899 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1900 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1901 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1903 (emit_push_insn): Likewise.
1904 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1905 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1906 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1907 (STACK_DYNAMIC_OFFSET): Define correctly for both
1908 ACCUMULATE_OUTGOING_ARGS and normal mode.
1909 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1910 * tm.texi (PUSH_ARGS): Document.
1911 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1913 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1915 * flags.h (flag_optimize_sibling_calls): Declare.
1916 * calls.c (expand_call): Fail sibcall when
1917 !flag_optimize_sibling_calls
1918 * invoke.texi (flag_optimize_sibling_calls): Document.
1919 * toplev.c (flag_optimize_sibling_calls): New global variable.
1920 (f_options): Add flag_optimize_sibling_calls.
1921 (rest_of_compilation): Conditionize
1922 optimize_sibling_and_tail_recursive_calls by
1923 flag_optimize_sibling_calls.
1924 (main): Set flag_optimize_sibling_calls for -O2.
1925 * stmt.c (expand_return): Conditionize tail recursion by
1926 flag_optimize_sibling_calls.
1928 2000-03-29 Richard Henderson <rth@cygnus.com>
1930 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1931 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1933 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1935 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1937 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1939 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1941 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1942 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1943 * config/rs6000/aix.h: then modified likewise.
1945 2000-03-28 Richard Henderson <rth@cygnus.com>
1947 * rtl.h: Redistribute enum reg_note documentation.
1948 Kill trailing whitespace.
1949 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1950 Kill trailing whitespace.
1952 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1954 * cppfiles.c (hash_IHASH): Just return i->hash.
1955 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1956 htab_find_with_hash.
1957 (cpp_read_file): Likewise.
1958 (find_include_file): Likewise. Properly initialize
1959 ih->nshort. Share ih->name and ih->nshort if possible.
1960 * cpphash.c (_cpp_calc_hash): New function.
1961 (hash_HASHNODE): Just return h->hash.
1962 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1963 htab_find_with_hash.
1964 * cpphash.h: Prototype _cpp_calc_hash.
1965 * cppinit.c (initialize_builtins): Provide a valid hash
1966 to _cpp_make_hashnode, using _cpp_calc_hash.
1968 * cpphash.c (collect_expansion): # is not a special character
1969 in object-like macros. In -traditional mode, /**/ is not
1970 token paste at the beginning or end of the line.
1971 * cpplib.c (do_include, do_import, do_include_next): If
1972 parse_include fails, return immediately.
1974 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1976 * config/arm/arm.md (return peepholes): Update to reflect the new
1978 * config/arm/arm.c (arm_volatile_func): Also check
1979 current_function_nothrow.
1980 (output_return_instruction, output_func_prologue): Use it.
1981 (arm_output_epilogue, arm_expand_prologue): Likewise.
1983 2000-03-27 Tom Tromey <tromey@cygnus.com>
1985 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1988 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1990 * expr.c (store_constructor): SIZE now signed.
1991 For EXPR_SIZE, don't evaluate size; just needed if constant.
1992 * fold-const.c (fold): Fix a number of cases when folded tree is
1994 * function.c (flush_addressof): Reenable.
1995 * tree.h (flush_addressof): Likewise.
1996 * toplev.c (independent_decode_option): Look at strings_processed.
1997 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1999 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2001 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2002 Allow stack adjustment after function call.
2004 * regmove.c (struct csa_memlist): Make mem field rtx *.
2005 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2006 (try_apply_stack_adjustment): Replace whole MEM rtx.
2007 (combine_stack_adjustments_for_block): Update calls
2008 to record_one_stack_ref.
2010 2000-03-28 Neil Booth <NeilB@earthling.net>
2012 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2013 '\\' rather than a null character, so nulls are not special. Fix
2014 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2015 speed trigraph conversion.
2016 (_cpp_init_input_buffer): Initialize trigraph map.
2018 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2020 * config/i386/i386.c (output_387_binary_op): Correct intel
2021 mode assembly output, and add spaces after commas in AT&T
2022 output. Correct Unixware assembler comment. Document input
2023 constraints. Comment fp operations. Reduce profligate buffer
2024 size. Remove extraneous abort. Localize temp var.
2025 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2026 (output_fix_trunc): Add spaces after commas in assembly output.
2028 2000-03-27 Richard Henderson <rth@cygnus.com>
2030 * i386-protos.h (ix86_match_ccmode): Declare.
2031 * i386.c (ix86_match_ccmode): New.
2032 (ix86_expand_fp_compare): Update for pattern renames.
2033 (ix86_expand_strlensi_unroll_1): Likewise.
2034 * i386.h (EXTRA_CC_MODES): Add CCZ.
2035 (SELECT_CC_MODE): Use it for EQ/NE zero.
2036 * i386.md (cmpsi_ccz_1): New.
2038 (*testsi_ccz_1): New.
2039 (testqi_ccz_1): New.
2040 (cmpsi_ccno_1): Rename from cmpsi_0.
2041 (testsi_ccno_1): Rename from testsi_1.
2042 (testqi_ccno_1): Rename from testqi_1.
2043 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2044 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2045 (*cmphi_0): Use ix86_match_ccmode.
2046 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2047 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2048 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2049 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2050 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2051 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2052 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2053 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2054 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2055 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2056 (appropriate peepholes): Likewise.
2057 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2058 (*subsi_3, *subhi_3, *subqi_3): Remove.
2059 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2060 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2061 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2062 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2063 (x86_shift_adj_1): Use CCZ.
2064 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2066 2000-03-27 Stan Cox <scox@cygnus.com>
2068 * resource.h (mark_resource_type): New.
2069 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2070 find_free_register): Use mark_resource_type.
2071 (mark_set_resources): Change include_delayed_effects
2072 to mark_resource_type.
2073 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2074 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2075 Use mark_resource_type.
2077 2000-03-27 Richard Henderson <rth@cygnus.com>
2079 * i386.md (call_pop_0, call_value_pop_0): New.
2080 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2081 (call_value_pop_1): Likewise.
2082 (call_0, call_value_0): New.
2083 (call_1, call_value_1): Remove constraint from unused arg.
2085 2000-03-27 Nick Clifton <nickc@cygnus.com>
2087 * invoke.texi (Spec Files): Document new spec % command created by
2088 Tom Tromey's recent patch.
2090 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2092 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2095 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2097 * expr.c (expand_assignment): Fix typo in last change.
2099 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2101 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2103 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2104 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2105 and DECL_INLINE if FUNCTION_DECL.
2106 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2107 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2108 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2109 (combine_parm_decls): Likewise.
2110 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2111 * print-tree.c (print_node): Likewise.
2112 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2113 DECL_TRANSPARENT_UNION on proper decl types.
2114 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2115 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2116 DECL_BIT_FIELD of FIELD_DECL.
2117 * tree.h (DECL_RESULT_FLD): New macro.
2119 * expr.c (expand_assignment): Add code to handle variable-sized
2122 2000-03-26 Richard Henderson <rth@cygnus.com>
2124 * calls.c (expand_call): Pass parms not original exp to
2125 optimize_tail_recursion. Mind return value instead of looking
2127 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2128 call_expr. Move checks for call_expr and current_function_decl ...
2129 (expand_return): ... here.
2131 2000-03-26 Tom Tromey <tromey@cygnus.com>
2133 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2134 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2136 (process_command): Use them.
2137 (check_live_switch): Likewise.
2138 (give_switch): Skip ignored switches.
2140 2000-03-26 Jan Hubicka <jh@suse.cz>
2142 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2143 for minimal jump pass test.
2145 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2147 * integrate.c (function_cannot_inline_p): Do inline functions that
2150 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2152 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2153 now a list of TREE_LIST entries, not types.
2154 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2156 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2157 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2159 * config/mips/mips.c (function_arg): Likewise; also remove cast
2160 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2161 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2162 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2163 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2164 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2165 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2166 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2167 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2168 num_adjusts now unsigned.
2169 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2170 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2172 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2173 as is BITPOS variable; use host_integerp and int_bit_position.
2174 (function_arg_record_value_2): Likewise.
2175 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2176 Variable REGNO now unsigned.
2177 (function_arg_record_value): NREGS now unsigned.
2179 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2181 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2183 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2185 * Rework fields used to describe positions of bitfields and
2186 modify sizes to be unsigned and use HOST_WIDE_INT.
2187 * alias.c (reg_known_value_size): Now unsigned.
2188 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2189 (really_start_incremental_init): Use bitsize_zero_node.
2190 (push_init_level, pop_init_level, output_init_element): Likewise.
2191 Use bitsize_unit_node and bitsize_one_node.
2192 (output_pending_init_elements, process_init_element): Likewise.
2193 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2194 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2195 HOST_WIDE_INT, respectively.
2196 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2197 (num_sign_bit_copies): Returns unsigned.
2198 BITWIDTH now unsigned; rework arithmetic.
2199 Remove recursive call from arg to MAX.
2200 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2201 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2203 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2204 (find_split_point, expand_compound_operation, make_extraction): LEN
2205 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2206 (make_field_assignment): Likewise.
2207 (combine_simplify_rtx): Add cast.
2208 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2209 (force_to_mode): WIDTH now unsigned; add cast.
2210 (if_then_else_cond): SIZE now unsigned.
2211 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2212 (extended_count): Now returns unsigned.
2213 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2214 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2215 (simplify_comparison): MODE_WIDTH now unsigned.
2216 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2217 (mark_used_regs_combine): Likewise; rework arithmetic.
2218 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2219 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2220 (record_promoted_value): REGNO now unsigned.
2221 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2222 (get_last_value): REGNO now unsigned.
2223 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2224 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2225 (remove_death): Arg REGNO now unsigned.
2226 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2227 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2229 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2230 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2231 (struct cse_reg_info): REGNO now unsigned.
2232 (cached_regno): Now unsigned.
2233 (REGNO_QTY_VALID_P): Add cast.
2234 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2235 (remove_invalid_regs): Likewise.
2236 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2237 as are variables END and I.
2238 (get_cse_reg_info, insert): Likewise.
2239 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2240 (canon_hash): Likewise.
2241 (insert_regs, lookup_for_remove): REGNO now unsigned.
2242 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2244 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2245 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2246 * emit-rtl.c (subreg_realpart_p): Add cast.
2247 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2248 (operand_subword_force): Arg I is now unsigned.
2249 * except.c (eh_regs): Variable I is now unsigned.
2250 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2251 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2252 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2253 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2254 (extract_split_bit_field, store_bit_field, extract_bit_field):
2256 * expr.c (store_constructor_fields, store_constructor, store_field):
2257 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2258 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2259 (do_jump): Likewise.
2260 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2261 MAX_SIZE is now unsigned.
2262 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2263 (emit_group_store): Likewise.
2264 (emit_move_insn): I now unsigned.
2265 (store_constructor): Use host_integerp, tree_low_cst, and
2267 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2268 Rework all calculations to use trees and new fields.
2269 * expr.h (promoted_input_arg): Regno now unsigned.
2270 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2271 (mark_seen_cases): Arg is HOST_WIDE_INT.
2272 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2273 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2274 precisions and alignments are unsigned.
2275 (optimize_bit_field_compare, fold_truthop): Likewise.
2276 (int_const_binop): Adjust threshold for size_int_type_wide call.
2277 (fold_convert): Likewise.
2278 (size_int_type_wide): Make table larger and fix thinko that only
2279 had half of table used.
2280 (all_ones_mask_p, fold): Precisions are unsigned.
2281 * function.c (put_reg_info_stack): REGNO is unsigned.
2282 (instantiate_decl): Size is HOST_WIDE_INT.
2283 (instantiate_virtual_regs): I is unsigned.
2284 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2285 (promoted_input_arg): REGNO is unsigned.
2286 * function.h (struct function): x_max_parm_reg is now unsigned.
2287 * gcse.c (max_gcse_regno): Now unsigned.
2288 (struct null_pointer_info): min_reg and max_reg now unsigned.
2289 (lookup_set, next_set): REGNO arg now unsigned.
2290 (compute_hash_table): REGNO and I now unsigned.
2291 (handle_avail_expr): regnum_for_replacing now unsigned.
2292 (cprop_insn): REGNO now unsigned.
2293 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2294 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2295 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2296 * hard-reg-set.h (reg_class_size): Now unsigned.
2297 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2298 * jump.c (mark_modified_reg): I now unsigned; add cast.
2299 (rtx_equal_for_thread_p): Add cast.
2300 * loop.c (max_reg_before_loop): Now unsigned.
2301 (struct_movable): REGNO now unsigned.
2302 (try_copy_prop): REGNO arg unsigned.
2303 (regs_match_p): XN and YN now unsigned.
2304 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2305 (strength_reduce): Likewise; NREGS also unsigned.
2306 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2307 * loop.h (struct iv_class): REGNO now unsigned.
2308 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2310 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2311 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2312 * optabs.c (expand_binop): I and NWORDS now unsigned.
2313 (expand_unop): I now unsigned.
2314 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2315 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2316 * real.c (significand_size): Now returns unsigned.
2317 * real.h (significand_size): Likewise.
2318 * regclass.c (reg_class_size): Now unsigned.
2319 (choose_hard_reg_mode): Both operands now unsigned.
2320 (record_reg_classes): REGNO and NR now unsigned.
2321 (reg_scan): NREGS now unsigned.
2322 (reg_scan_update): old_max_regno now unsigned.
2323 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2324 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2325 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2326 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2327 Likewise for variable R.
2328 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2329 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2330 (find_equiv_reg): Add casts.
2331 (regno_clobbered_p): Arg REGNO now unsigned.
2332 * reload.h (struct reload): NREGS now unsigned.
2333 (refers_to_regno_for_reload_p): Regno args are unsigned.
2334 (regno_clobbered_p): Likewise.
2335 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2336 (compute_use_by_pseudos): REGNO now unsigned.
2337 (find_reg): I and J now unsigned, new variable K, and change loop
2338 variables accordingly; THIS_NREGS now unsigned.
2339 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2340 (spill_hard_reg): REGNO arg now unsigned; add casts.
2341 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2342 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2343 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2344 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2345 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2346 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2347 (emit_reload_insns): REGNO now unsigned.
2348 (reload_cse_move2add): Add cast.
2349 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2351 * resource.c (mark_referenced_resources, mark_set_resources): New
2352 variable R; REGNO and LAST_REGNO now unsigned.
2353 (mark_target_live_regs): J and REGNO now unsigned.
2354 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2355 * rtl.h (union rtunion_def): New field rtuint.
2356 (XCUINT): New macro.
2357 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2358 (operand_subword, operand_subword_force): Word number is unsigned.
2359 (choose_hard_reg_mode): Operands are unsigned.
2360 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2361 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2362 (regno_use_in, combine_instructions, remove_death): Likewise.
2363 (reg_scan, reg_scan_update): Likewise.
2364 (extended_count): Return is unsigned.
2365 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2366 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2367 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2368 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2369 (reg_reg_last_1): FIRS and LAST now unsigned.
2370 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2371 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2373 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2374 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2375 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2376 (replace_regs): Arg NREGS now unsigned.
2377 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2378 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2379 (simplify_binary_operation): Likewise.
2380 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2381 THIS_LAST now unsigned.
2382 (cselib_record_set): Add cast.
2383 * ssa.c (ssa_max_reg_num): Now unsigned.
2384 (rename_block): REGNO now unsigned.
2385 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2387 (all_cases_count): Just return -1 not -2.
2388 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2389 Rework tests to use trees whenever possible.
2390 Use host_integerp and tree_low_cst.
2391 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2392 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2393 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2394 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2395 (smallest_mode_for_size): Likewise.
2396 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2397 KNOWN_ALIGN is now an alignment, so simplify code.
2398 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2399 (start_record_layout): Renamed from new_record_layout_info.
2400 Update to new fields.
2401 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2403 (place_union_field): Renamed from layout_union_field.
2404 Update to use new fields in rli.
2405 (place_field): Renamed from layout_field.
2406 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2407 (finalize_record_size): Rework to use new fields in rli and handle
2409 (compute_record_mode): Rework to simplify and to use new DECL fields.
2410 (finalize_type_size): Make rounding more consistent.
2411 (finish_union_layout): Deleted.
2412 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2413 (layout_type, case RECORD_TYPE): Call new function names.
2414 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2415 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2416 (get_best_mode): UNIT is now unsigned; remove casts.
2417 * tree.c (bit_position): Compute from new fields.
2418 (byte_position, int_byte_position): New functions.
2419 (print_type_hash_statistics): Cast to remove warning.
2420 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2421 (build_index_type): Likewise; make subtype of sizetype.
2422 (build_index_2_type): Pass sizetype to build_range_type.
2423 (build_common_tree_nodes): Use size_int and bitsize_int to
2424 initialize nodes; add bitsize_{zero,one,unit}_node.
2425 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2426 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2427 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2428 (DECL_FIELD_BITPOS): Deleted.
2429 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2430 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2431 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2432 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2433 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2434 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2435 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2436 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2437 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2438 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2439 (DECL_ALIGN): Adjust to new field in union.
2440 (DECL_OFFSET_ALIGN): New field.
2441 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2442 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2443 (union tree_decl): Add struct for both aligns.
2444 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2445 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2446 (struct record_layout_info): Rework fields to have offset
2447 alignment and byte and bit position.
2448 (start_record_layout, place_field): Renamed from old names.
2449 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2450 (byte_position, int_byte_position): Likewise.
2451 (get_inner_reference): Change types of position and length.
2452 * unroll.c (unroll_loop): New variable R; use for some loops.
2453 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2454 (calculate_giv_inc): Arg REGNO now unsigned.
2455 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2456 * varasm.c (assemble_variable): Clean up handling of size using
2457 host_integerp and tree_low_cst.
2458 (decode_addr_const): Use byte, not bit, position.
2459 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2460 use tree_low_cst and int_bit_position.
2461 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2463 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2465 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2466 (reorder_block_def): New members eff_head and eff_end.
2467 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2468 (verify_insn_chain): New function.
2469 (skip_insns_between_block): Add code to skip deleted insns.
2470 Check for note before using.
2471 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2472 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2473 Check for note before using.
2474 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2475 (fixup_reorder_chain): Restructure, clean up, defect removal.
2476 (reorder_basic_blocks): Remove last_insn and references to it.
2477 Moved insn chain verification code into a new function (see above).
2478 Delete defective code that sets last insn.
2479 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2482 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2484 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2486 2000-03-24 Richard Henderson <rth@cygnus.com>
2488 * tree.c (lang_safe_for_unsave): Remove.
2489 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2490 allowing for two levels of unsafeness. Remove lang hook.
2491 * tree.h: Update declarations.
2492 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2493 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2494 Always fail sibcalls when there are pending cleanups.
2496 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2498 * flow.c (propagate_block): When we delete an ADDR_VEC,
2499 also delete the BARRIER following it if there is one.
2501 2000-03-24 Richard Henderson <rth@cygnus.com>
2503 * builtins.c (expand_builtin_bzero): Convert `length' argument
2506 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2508 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2509 comparison if regno's are equal.
2510 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2511 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2512 (expand_call): Update caller.
2513 Avoid making a sibling call if argument size of the callee is larger
2514 than argument size of the caller.
2515 Call hard_function_value with outgoing set if in sibcall pass.
2516 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2518 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2519 Change LEAF_REGISTERS from an array initializer to actual array
2520 identifier. Move static global variable into the function.
2521 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2522 sequences for leaf functions.
2523 * global.c (global_alloc): Likewise.
2524 * tm.texi (LEAF_REGISTERS): Update documentation.
2526 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2527 TARGET_FLAT leaf disabling hack.
2528 (LEAF_REGISTERS): Changed from an array initializer to actual array
2529 identifier to avoid duplication and remove the above hack.
2530 (FUNCTION_OK_FOR_SIBCALL): Define.
2531 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2532 always like call attribute.
2533 (eligible_for_sibcall_delay): New attribute.
2534 (sibcall): New delay type.
2535 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2536 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2537 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2538 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2539 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2541 (output_function_epilogue): Move part of the code into
2542 output_restore_regs.
2543 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2545 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2548 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2549 until infrastructure is finished.
2551 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2553 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2554 (save_parm_insns): Not here.
2556 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2558 * builtins.c (expand_builtin_bzero): New function.
2559 (expand_builtin): Handle bzero.
2561 * builtins.def: Add BUILT_IN_BZERO.
2563 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2564 prototype & function for bzero.
2566 2000-03-23 Michael Meissner <meissner@redhat.com>
2568 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2569 change adding TARGET_FP to the TF floating point insns, except for
2570 trunctfsf2, which generates direct calls to truncdfsf2.
2572 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2574 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2575 try to protect against middle-end changes that break binary
2577 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2579 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2581 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2583 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2585 * calls.c (expand_call): If TARGET is passed by reference and
2586 is readonly, write a CLOBBER.
2588 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2590 * builtins.c (expand_builtin): Handle bcmp.
2592 * builtins.def: Add BUILT_IN_BCMP.
2594 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2595 prototype & function for bcmp.
2597 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2599 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2600 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2601 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2603 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2605 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2606 alternative when using -fp64 -gp32.
2608 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2610 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2611 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2612 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2614 * frame.h (frame_state): Revert last change.
2615 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2616 * libgcc2.c (throw_helper): Revert last change.
2618 2000-03-22 Richard Henderson <rth@cygnus.com>
2620 * stmt.c (expand_asm_operands): Don't promote the temporary.
2622 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2624 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2625 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2626 c_get_alias_set): Likewise.
2627 * c-decl.c (duplicate_decls): Likewise.
2628 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2629 * calls.c (initialize_argument_information): Likewise.
2630 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2632 * dwarfout.c (decl_class_context,output_type): Likewise.
2633 * expr.c (get_inner_reference): Likewise.
2634 * fold-const.c (simple_operand_p,fold): Likewise.
2635 * function.c (aggregate_value_p): Likewise.
2636 * stmt.c (expand_asm_operands): Likewise.
2637 * varasm.c (named_section): Likewise.
2639 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2641 Implement dwarf2 exception handling for the ARM.
2642 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2643 (DWARF_FRAME_RETURN_COLUMN): Define.
2644 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2645 REG_FRAME_RELATED_EXPR note.
2646 (emit_sfm): Likewise.
2647 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2648 * dwarf2out.c (reg_save): Handle saving a register to itself.
2649 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2650 * except.c (eh_regs): Don't use the static chain reg if it's
2652 * frame.h (frame_state): Add cfa_saved field.
2653 * frame.c (execute_cfa_insn): Set it.
2654 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2656 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2658 (instantiate_virtual_regs): Adjust.
2660 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2661 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2662 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2664 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2665 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2667 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * builtins.def: New file.
2671 * Makefile.in (TREE_H): Depend on builtins.def.
2673 * builtins.c (built_in_names): Use builtins.def.
2675 * tree.h (built_in_function): Likewise.
2677 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2679 * tree.c (size_in_bytes): Return size_zero_node, not
2682 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2684 * config/fp-bit.c (pack_d): Correct the case when a denormal
2685 is rounded up and stops being denormal.
2687 2000-03-21 Richard Henderson <rth@cygnus.com>
2689 * config/alpha/alpha.c (function_arg): Check for void_type_node
2690 before using MUST_PASS_IN_STACK.
2692 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2694 * regmove.c (combine_stack_adjustments_for_block): Check that
2695 the stack pointer is a valid memory address.
2697 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2699 * calls.c: re-install Mar 16 emit_library_call merge.
2701 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2703 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2704 we cannot be sure that if reload_completed base register will
2705 be properly aligned.
2707 2000-03-21 Richard Henderson <rth@cygnus.com>
2709 * flow.c (delete_block): Fix typo last change.
2711 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2713 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2714 not COMPLETE_TYPE_P, to check the type of the expression.
2716 2000-03-21 Michael Meissner <meissner@redhat.com>
2718 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2719 all floating point insns that just tested the macro
2720 TARGET_HAS_XFLOATING_LIBS.
2721 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2722 used to only use the gprs.
2724 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2726 * tree.h (COMPLETE_TYPE_P): New macro.
2727 (COMPLETE_OR_VOID_TYPE_P): New macro.
2728 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2729 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2730 * c-aux-info.c (gen_type): Use them.
2731 * c-common.c (c_expand_expr_stmt): Likewise.
2732 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2733 grokdeclarator, grokparms, finish_struct, start_function,
2734 store_parm_decls, combine_parm_decls): Likewise.
2735 * c-parse.y (cast_expr): Likewise.
2736 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2737 c_size_in_bytes, c_alignof, build_component_ref,
2738 build_indirect_ref, build_array_ref, convert_arguments,
2739 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2740 * calls.c (initialize_argument_information): Likewise.
2741 * convert.c (convert_to_integer): Likewise.
2742 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2743 * dwarfout.c (location_or_const_value_attribute,
2744 output_enumeration_type_die, output_structure_type_die,
2745 output_union_type_die, output_type): Likewise.
2746 * expr.c (safe_from_p, expand_expr): Likewise.
2747 * function.c (assign_parms): Likewise.
2748 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2749 * tree.c (build_array_type, build_function_type,
2750 build_method_type, build_offset_type, build_complex_type): Likewise.
2751 * c-parse.c, c-parse.h: Regenerated.
2753 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2755 * config/c4x/rtems.h: Include config/rtems.h.
2757 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2759 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2760 decl is a FUNCTION_DECL
2762 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2764 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2765 function uses output registers. Don't save RP for leaf functions.
2766 Do save RP even if no epilogue.
2767 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2768 (CALL_USED_REGISTERS): Unmark in registers.
2769 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2772 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2774 * config/rs6000/rs6000.md (bunordered): New expander.
2775 (bordered): New expander.
2776 (buneq): New expander.
2777 (bunge): New expander.
2778 (bungt): New expander.
2779 (bunle): New expander.
2780 (bunlt): New expander.
2781 (bltgt): New expander.
2783 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2784 (ccr_bit_negated_p): New function.
2785 (print_operand): For %C, generate appropriate cror for UNEQ,
2786 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2788 2000-03-20 Andreas Jaeger <aj@suse.de>
2790 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2793 * tree.h (safe_for_unsave): Prototype.
2795 2000-03-20 Richard Henderson <rth@cygnus.com>
2797 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2798 (combine_stack_adjustments_for_block): Don't allow sp references
2799 in the side of a set we're not fixing up.
2800 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2801 after life_analysis.
2803 2000-03-20 Richard Henderson <rth@cygnus.com>
2805 * calls.c (expand_call): Don't bother generating tail call
2806 sequences if there are pending cleanups. Use
2807 expand_start_target_temps/expand_end_target_temps to elide
2808 cleanups created during sibcall expansion.
2810 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2812 * configure.in: Set $IFS to a value if it doesn't already have one
2813 in the --enable-checking handling.
2814 * configure: Regenerate.
2816 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2818 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2819 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2822 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2824 * jump.c (delete_noop_moves): Remove code attempting to
2825 combine stack adjustments.
2827 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2829 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2830 * except.c (emit_cleanup_handler): Use them.
2831 (expand_end_all_catch): Likewise.
2832 * function.c (fixup_var_refs): Likewise.
2833 (expand_function_end): Clear catch_clauses_last.
2834 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2835 * except.h (struct eh_status): New field x_catch_clauses_last.
2836 (catch_clauses_last): New define.
2838 * Makefile.in (tree.o): Depend on HASHTAB_H.
2839 * tree.c: Include hashtab.h.
2840 (struct type_hash): Remove next field.
2841 (TYPE_HASH_SIZE): Remove.
2842 (TYPE_HASH_INITIAL_SIZE): New define.
2843 (type_hash_table): Change type to htab_t.
2844 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2845 mark_hash_entry): New functions.
2846 (init_obstacks): Allocate type hash.
2847 (type_hash_lookup): Use htab functions.
2848 (type_hash_add, mark_type_hash): Likewise.
2849 (dump_tree_statistics): Call print_type_hash_statistics.
2851 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2853 * rs6000/t-aix41: New file.
2855 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2857 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2859 * tm.texi (Driver): Fix typos and tweak entry for
2861 Move misplaced STRUCT_FORCE_BLK entry ...
2862 (Storage Layout): ... to here.
2863 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2865 2000-03-19 Richard Henderson <rth@cygnus.com>
2867 * flow.c (delete_block): Delete the addr_vec along with the block.
2868 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2871 * fold-const.c (extract_muldiv): Apply type check for defined
2872 overflow to multiply as well as divide.
2874 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2876 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2878 * emit-rtl.c (remove_unncessary_notes): Check that all
2879 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2880 associated NOTE_BLOCK.
2881 * function.h (identify_blocks): Update comments.
2882 (reorder_blocks): Declare.
2883 * function.c (identify_blocks): Don't take paramters.
2884 (reorder_blocks): Don't take parameters.
2885 * loop.h (find_loop_tree_blocks): Remove.
2886 (unroll_block_trees): Likewise.
2887 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2888 reorder_blocks instead of unroll_block_trees.h
2889 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2890 * stmt.c (find_loop_tree_blocks): Remove.
2891 (unroll_block_trees): Likewise.
2892 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2893 in whole-function mode.
2894 * tree.h (reorder_blocks): Remove declaration.
2896 * expr.c: Include intl.h.
2897 * Makefile.in (expr.o): Depend on intl.h.
2899 2000-03-18 Richard Henderson <rth@cygnus.com>
2901 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2903 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2905 * tree.h (tree_index): Remove enumerals for integer types.
2906 (integer_type_kind): New type.
2907 (integer_types): New variable.
2908 (char_type_node): Adjust.
2909 (signed_char_type_node): Likewise.
2910 (unsigned_char_type_node): Likewise.
2911 (short_integer_type_node): Likewise.
2912 (short_unsigned_type_node): Likewise.
2913 (integer_type_node): Likewise.
2914 (unsigned_type_node): Likewise.
2915 (long_integer_type_node): Likewise.
2916 (long_unsigned_type_node): Likewise.
2917 (long_long_integer_type_node): Likewise.
2918 (long_long_unsigned_type_node): Likewise.
2919 * tree.c (integer_types): New variable.
2920 (init_obstacks): Register it as a root.
2922 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2924 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2925 NEXT_INSN. Update last insn in chain.
2927 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2929 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2930 with TYPE_DECL_SUPPRESS_DEBUG set.
2932 2000-03-18 Richard Henderson <rth@cygnus.com>
2934 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2936 2000-03-18 Richard Henderson <rth@cygnus.com>
2938 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2939 care for HALF_PIC_P.
2940 (expander_call_insn_operand): Remove.
2941 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2942 * i386.h (PREDICATE_CODES): Update.
2943 * i386.md (all call expanders): Remove predicates, remove special
2944 handling for half-pic.
2945 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2946 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2947 (sibcall_epilogue): New.
2949 2000-03-17 Richard Henderson <rth@cygnus.com>
2951 * rtlanal.c (single_set): Reject if the parallel has anything
2952 except SET or USE or CLOBBER.
2954 2000-03-17 Jeff Law <law@cygnus.com>
2955 Richard Henderson <rth@cygnus.com>
2957 * Makefile.in (OBJS): Add sibcall.o.
2959 * sibcall.c: New file.
2960 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2961 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2962 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2963 Emit sibcall patterns when requested. Update all callers.
2964 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2965 elimination seems feasable.
2966 * final.c (leaf_function_p): Sibling calls don't discount being
2968 * flow.c (HAVE_sibcall_epilogue): Provide default.
2969 (find_basic_blocks_1): Sibling calls don't throw.
2970 (make_edges): Make edge from sibling call to EXIT.
2971 (propagate_block): Don't remove sibcall_epilogue insns.
2972 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2973 (sibcall_epilogue): New.
2974 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2975 (identify_blocks_1): Likewise. Break out from ...
2976 (identify_blocks): ... here.
2977 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2978 (reorder_blocks): ... here.
2979 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2980 (record_insns): Extend a varray instead of mallocing new memory.
2981 (contains): Read a varray not array of ints.
2982 (sibcall_epilogue_contains): New.
2983 (thread_prologue_and_epilogue_insns): Emit and record
2984 sibcall_epilogue patterns.
2985 (init_function_once): Allocate prologue/epilogue varrays.
2986 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2987 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2989 (save_for_inline_nocopy): ... here.
2990 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2992 (expand_inline_function): ... here.
2993 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2994 (subst_constants): Handle 'n' formats.
2995 * jump.c (jump_optimize_minimal): New.
2996 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2997 optimizations if it's set.
2998 * rtl.c (copy_rtx): Do copy jump & call for insns.
2999 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3000 (SIBLING_CALL_P): New.
3001 (sibcall_use_t): New.
3002 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3003 Invoke optimize_sibling_and_tail_recursive_calls.
3004 * tree.c (lang_safe_for_unsave): New.
3005 (safe_for_unsave): New.
3006 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3008 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3009 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3010 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3012 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3014 * objc/objc-act.c (encode_method_prototype): Pass types, not
3015 PARM_DECLs, to int_size_in_bytes.
3017 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3019 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3021 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3022 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3024 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3026 * Clean up usages of TREE_INT_CST_LOW.
3027 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3028 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3030 * c-tree.h (min_precision): Move declaration to here.
3031 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3032 (build_unary_op, add_pending_init): Use bit_position.
3033 (pending_init_member, process_init_element): Likewise.
3034 (really_start_incremental_init, push_init_level, pop_init_level):
3035 Don't make copies of nodes or modify them in place, use consistent
3036 types when tracking positions, and use tree routines computations.
3037 (set_init_index, output_init_element): Likewise.
3038 (output_pending_init_elements, process_init_element): Likewise.
3039 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3040 tree_low_cst and int_bit_position; also minor cleanup.
3041 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3042 (print_cst_octal): Precision is unsigned.
3043 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3044 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3045 (simple_type_align_in_bits): Result is unsigned int.
3046 Use tree_int_low_cst and host_integerp.
3047 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3048 (field_byte_offset): Result is HOST_WIDE_INT.
3049 Change types of internal variables so alignments are unsigned int,
3050 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3051 Use host_integerp, tree_low_cst, and int_bit_position.
3052 (add_bit_offset_attribute): Likewise.
3053 (add_data_member_location_attribute): Use tree_cst_low.
3054 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3055 (add_bit_size_attribute): Use tree_low_cst.
3056 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3057 * dwarfout.c: Similar changes to dwarf2out.c.
3058 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3059 * genoutput.c (n_occurences): Return -1 for null string.
3060 (strip_whitespace): Accept null string and make into function.
3061 (scan_operands): Reflect above changes.
3062 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3063 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3064 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3065 * tree.c (int_size_in_bytes): Check for too big to represent.
3066 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3067 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3069 (min_precision): Delete from here.
3070 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3071 and int_bit_position.
3072 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3073 (encode_method_def): Likewise.
3074 (build_ivar_list_initializer): Use int_bit_position.
3075 (generate_shared_structures): Convert size.
3076 (encode_type, encode_complete_bitfield): Use integer_zerop.
3077 (encode_bitfield): Use tree_low_cst and int_bit_position.
3079 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3081 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3083 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3085 * call.c (special_function_p): It is only malloc if it returns
3088 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3090 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3091 (C33_FLAG, TARGET_C3X): Add macros.
3092 (TARGET_SWITCHES): Add -m33 option.
3093 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3095 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3097 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3098 (PARALLEL_PACK_FLAG): Delete.
3099 (TARGET_SWITCHES): Update.
3100 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3102 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3104 * fold-const.c (fold): Fix a few cases when the returned result
3105 is not of the same type as the input.
3107 2000-03-16 Nick Clifton <nickc@cygnus.com>
3109 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3112 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3114 * libgcc2.h: Move prototypes above macros with the same name.
3115 Wrap some function prototypes in the conditional which indicates
3116 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3118 2000-03-16 Richard Henderson <rth@cygnus.com>
3120 * calls.c: Revert last two changes.
3122 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3124 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3125 has exponent 0 is a zero.
3127 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3128 HASH may already be nonzero. Add code/mode into hash value
3129 immediately after repeat label.
3130 (cselib_lookup): Don't leave the hash table in an inconsistent
3131 state before a hash lookup operation.
3133 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3135 * i386.md (all HI and QI mode non-move patterns): Conditionize
3136 by TARGET_[HQ]IMODE_MATH.
3137 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3138 x86_promote_qi_regs): Declare.
3139 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3140 TARGET_PROMOTE_QI_REGS): New macros.
3141 (PROMOTE_MODE): New macro.
3142 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3143 x86_promote_qi_regs): New global variables.
3145 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3147 * calls.c (emit_library_call_value_1): Break out from ...; handle
3148 VOIDmode function calls too.
3149 (emit_library_call_value): ... here.
3150 (emit_library_call): Implement by calling emit_library_call_value_1.
3152 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3154 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3155 Update arg_space_so_far on stack adjustments.
3156 (emit_library_call, emit_library_call_value): Likewise; take into
3157 account arg_space_so_far and pending_stack_adjust when calculcating
3160 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3162 * flow.c: Move all basic block reordering code into its own file.
3163 (create_basic_block): Externalize.
3164 * bb-reorder.c: New file. Copy all basic block reordering code from
3165 flow.c to this file.
3166 (reorder_basic_blocks): Fix fencepost error in for-loop.
3167 (reorder_basic_blocks): Remove braces from single statement for-loops.
3168 * basic-block.h: Add declaration for create_basic_block.
3169 * Makefile.in: Add rules for bb-reorder.o.
3171 2000-03-16 Neil Booth <NeilB@earthling.net>
3173 * cppinit.c (handle_option): Implement #unassert directive
3174 as -A- command line option.
3175 (print_help): Update.
3176 * cpptexi.c: Update.
3178 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3180 * md.texi (Standard Names): Document `jump'.
3182 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3184 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3187 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3189 Merge changes from newppc-branch onto trunk.
3191 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3193 * rs6000.c (toc_hash_table): Update for new hash table functions.
3194 (toc_hash_function): Likewise.
3195 (toc_hash_eq): Likewise.
3196 (toc_hash_mark_entry): Likewise.
3197 (toc_hash_mark_table): Likewise.
3198 (output_toc): Likewise.
3199 (rs6000_add_gc_roots): Likewise.
3201 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3203 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3204 (AR_FLAGS_FOR_TARGET): here. New macro.
3206 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3208 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3209 fpmem_operand) Delete.
3211 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3212 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3213 (rs6000_save_machine_status, rs6000_restore_machine_status,
3214 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3215 references to above variables.
3216 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3217 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3218 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3219 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3220 (XER_REGNO_P, XER_REGNO): New.
3221 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3222 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3223 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3225 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3226 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3227 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3229 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3231 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3232 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3233 * rs6000.h: from here.
3235 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3236 (rs6000_select_rtx_section): Likewise.
3237 (rs6000_encode_section_info): Likewise.
3238 (sdata_section): Likewise.
3239 (sdata2_section): Likewise.
3240 (sbss_section): Likewise.
3241 * sysv4.h (rs6000_select_section): Delete prototype.
3242 (rs6000_select_rtx_section): Likewise.
3243 (rs6000_encode_section_info): Likewise.
3244 (sdata_section): Likewise.
3245 (sdata2_section): Likewise.
3246 (sbss_section): Likewise.
3247 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3249 * sysv4.h: Delete various unnecessary #undef's and put a comment
3250 on the remaining ones.
3251 Change various comments according to coding standard.
3253 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3255 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3256 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3257 (CR0_REGNO_P) Remove.
3258 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3259 setup_incoming_varargs, mtcrf_operation, print_operand,
3260 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3261 Use the above macros.
3263 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3265 * config/rs6000/rs6000.md: Added a new alternative for each
3266 pattern that had a 'x' alternative but no 'y' alternative.
3267 Added a new split for each of the above patterns.
3269 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3271 * aix41.h (ASM_CPU_SPEC): Delete.
3272 (CPP_CPU_SPEC): Delete.
3274 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3275 (ASM_OUTPUT_LABEL): Define.
3276 (ASM_GLOBALIZE_LABEL): Define.
3277 (STRIP_NAME_ENCODING): Define.
3278 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3279 (STRIP_NAME_ENCODING): Don't define.
3280 (ASM_OUTPUT_LABEL): Don't define.
3281 (ASM_GLOBALIZE_LABEL): Don't define.
3282 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3283 names, and ASM_OUTPUT_LABEL to output labels, rather than
3285 (ASM_OUTPUT_LABEL): Define.
3286 (ASM_OUTPUT_INT): Use assemble_name.
3287 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3288 (STRIP_NAME_ENCODING): Don't undefine first.
3289 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3291 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3292 specified with 'asm' even with -fleading-underscore.
3293 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3294 (output_epilog): Likewise.
3295 (output_toc): Likewise.
3296 * tramp.asm: Handle -fleading-underscore correctly.
3298 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3300 (nonlocal_goto_receiver): Delete.
3301 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3303 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3304 (SET_ASM_OP): Define.
3305 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3307 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3310 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3311 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3313 * rs6000.h: Add 'u' to more constants.
3315 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3317 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3319 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3321 * rs6000.c (reg_or_u_cint_operand): New function.
3322 (logical_operand): Handle 64-bit hosts.
3323 (logical_u_operand): New function.
3324 (non_logical_cint_operand): Handle 64-bit hosts.
3325 (non_logical_u_cint_operand): New function.
3326 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3327 (PREDICATE_CODES): Define new functions.
3328 * rs6000-protos.h: Declare new functions.
3329 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3330 (movdi_64): Bracket code intended for 64-bit hosts. Create
3331 CONST_DOUBLE for 32-bit values.
3332 (scc insns): Generate DImode compares.
3333 (mfcr insns): Create DImode versions.
3334 (sge matchers): New patterns.
3336 2000-02-15 Gabriel Paubert <paubert@iram.es>
3338 * rs6000.md: Correct instructions length attributes and
3339 constraints on unsigned compare instructions.
3340 (*ne0): Disable for PowerPC64.
3342 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3344 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3345 quantity, fix profile1.C test failure under -fPIC.
3347 * rs6000.c: Add 'u' to many constants to suppress warnings.
3348 (constant_pool_expr_1): Make static.
3349 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3350 * rs6000.h: Add 'u' to many constants to suppress warnings.
3352 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3353 for the start of the TOC, instead of LCTOC..0.
3354 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3356 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3357 (load_toc_aix_di): Use LCTOC..1.
3359 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3360 * rs6000.c (rs6000_legitimize_address): New function from
3361 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3362 symbols in the constant pool that really are TOC references.
3363 (print_operand_address): For ELF, write TOC offsets under
3364 -fPIC as subtractions in the insn.
3365 (output_toc): For ELF, define symbols in TOC as normal labels,
3367 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3368 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3369 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3370 * rs6000.md (movsi): Only use create_TOC_reference on
3371 symbols in the constant pool that really are TOC references.
3373 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3374 * rs6000.c (rs6000_reorg): Delete.
3375 * rs6000-protos.h (rs6000_reorg): Delete.
3377 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3379 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3381 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3382 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3383 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3384 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3385 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3386 rs6000_aix_emit_builtin_unwind_init.
3387 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3388 rs6000_emit_eh_toc_restore on AIX.
3389 (return_eh_si): Use r2.
3390 (return_eh_di): Use r2.
3392 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3393 since we're breaking binary compatibility anyway.
3395 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3397 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3398 constant_pool_expr_p): Declare them.
3399 (constant_pool_expr_p): Declare it.
3400 * config/rs6000/rs6000.c (toc_label_name): Define.
3401 (rs6000_override_options): Set toc_label_name.
3402 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3403 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3404 uses_TOC): New functions.
3405 (print_operand): Delete old '*' case.
3406 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3407 and strip off rtl for TOC before calling output_addr_const.
3408 (rs6000_emit_load_toc_table): Use toc_label_name.
3409 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3411 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3412 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3413 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3414 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3415 into explicit TOC_REGISTER offsets.
3416 (TOC_REGISTER): New macro.
3417 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3418 TARGET_TOC to reference TOC_REGISTER.
3419 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3420 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3421 uses_TOC before emitting label references.
3423 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3425 * rs6000.md (stack_tie): Fix warning.
3427 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3428 to handle -fleading-underscore.
3429 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3430 (USER_LABEL_PREFIX): New macro.
3431 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3432 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3433 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3434 call-linux can use the same multilibs.
3435 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3436 and call-linux multilibs. Do multilib with -fleading-underscore.
3437 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3438 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3441 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3442 have MASK_SOFT_FLOAT set.
3443 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3444 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3445 CPP_FLOAT_DEFAULT_SPEC.
3447 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3448 * rs6000.md: Whitespace change.
3449 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3450 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3452 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3454 * rs6000.md (eh_epilogue): New expander.
3455 (eh_reg_restore): New expand/split/insn combination.
3456 (return_eh_si): New insn.
3457 (return_eh_di): New insn.
3459 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3460 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3461 * eabi-ctors.c (__do_global_ctors): Register this object's
3462 frame. Clean up. Call atexit() after the constructors.
3463 (__do_global_dtors): Deregister this object's frame. Clean up.
3464 Allow for recursive calls to exit().
3465 * rs6000.c (fixuplabelno): New variable.
3466 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3467 TARGET_RELOCATABLE, it slows down exec() under linux.
3468 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3470 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3471 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3472 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3473 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3474 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3475 (ASM_OUTPUT_DWARF_ADDR): New macro.
3476 (ASM_OUTPUT_DWARF_DATA4): New macro.
3477 (ASM_OUTPUT_DWARF_DATA2): New macro.
3478 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3479 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3480 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3482 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3484 * rs6000.c (rs6000_sr_alias_set): New variable.
3485 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3486 (rs6000_emit_stack_tie): New function.
3487 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3488 in a way that dwarf2out can understand.
3489 (rs6000_frame_related): New function.
3490 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3491 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3492 Use rs6000_emit_stack_tie when needed.
3493 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3494 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3495 * rs6000.md (stack_tie): New insn.
3496 (return_internal_si): Allow return value to be in the count
3498 (return_internal_di): Likewise.
3500 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3502 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3504 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3506 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3508 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3510 * rs6000.md (stmw): Use the right POWER opcode.
3513 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3515 * rs6000-protos.h: New file.
3517 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3519 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3522 * sysv4.h: Likewise.
3524 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3526 * ../../configure.in: Delete powerpcle-*-winnt*
3527 and powerpcle-*-pe|powerpcle-*-cygwin*.
3528 * ../../configure: Regenerated.
3530 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3531 (TARGET_WINDOWS_NT): Delete.
3533 (CALL_NT_DLLIMPORT): Delete.
3534 Delete NT-specific code.
3535 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3538 * nt-ci.asm: Delete.
3539 * nt-cn.asm: Delete.
3540 * ntstack.asm: Delete.
3542 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3544 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3545 (ASM_FILE_START): Likewise.
3546 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3547 (ASM_OUTPUT_LABELREF): Likewise.
3548 (ASM_OUTPUT_SKIP): Likewise.
3549 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3550 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3551 (ASM_OUTPUT_CASE_LABEL): Likewise.
3552 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3553 (ASM_OUTPUT_ASCII): Likewise.
3555 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3557 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3558 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3559 increment rs6000_pic_labelno here.
3560 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3561 and increment rs6000_pic_labelno here.
3563 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3565 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3566 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3567 allocation knows (reg) is dead before the insn.
3569 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3571 * rs6000.md (movsi_to_cr): Correct typo in output template.
3573 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3575 * rs6000.c (rs6000_pic_labelno): Always define.
3576 (rs6000_pic_func_labelno): Delete.
3577 (lmw_operation): Check for a zero base register,
3578 which doesn't mean what we want.
3579 (stmw_operation): New function.
3580 (print_operand): Define new 'l' modifier.
3581 (rs6000_stack_info): We must save all 64 bits of the registers
3582 if TARGET_POWERPC64.
3583 (rs6000_output_load_toc_table): Delete.
3584 (rs6000_emit_load_toc_table): New function.
3585 (rs6000_allocate_stack_space): Delete.
3586 (rs6000_emit_allocate_stack): New function.
3587 (rs6000_emit_prologue): New function.
3588 (output_prolog): Use rs6000_emit_prologue.
3589 (rs6000_emit_epilogue): Change a few variable names to be
3590 more accurate. Restore all 64 bits of the registers if
3591 TARGET_POWERPC64. Only restore the FP registers which were used
3592 if they are being saved/restored one-at-a-time.
3593 (output_mi_thunk): Delete inefficient code generation.
3594 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3595 * rs6000.h: Declare rs6000_emit_load_toc_table,
3596 rs6000_allocate_stack_space, stmw_operation. Don't declare
3597 rs6000_output_load_toc_table.
3598 * rs6000.md (elf_high): Allow register 0, but discourage it
3600 (elf_low): Support loading into register 0.
3601 (load_toc_aix_si): New pattern.
3602 (load_toc_aix_di): New pattern.
3603 (load_toc_v4_pic_si): New pattern.
3604 (load_toc_v4_pic_di): New pattern.
3605 (load_toc_v4_PIC_1): New pattern.
3606 (load_toc_v4_PIC_1b): New pattern.
3607 (load_toc_v4_PIC_2): New pattern.
3608 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3609 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3610 (prologue): New expander.
3611 (movesi_from_cr): New pattern.
3612 (stmw): New pattern.
3613 (save_fpregs_si): New pattern.
3614 (save_fpregs_di): New pattern.
3616 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3618 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3623 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3625 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3627 (movsi_got_internal): Likewise.
3628 (movsi_got_internal+1): Likewise.
3629 (set_sp): 'unspec 7' does a SImode clobber.
3631 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3633 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3634 allocate a stack temporary.
3635 (floatsidf2_internal): Likewise.
3636 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3638 (floatunssidf2): Don't use the fpmem "register", just
3639 allocate a stack temporary.
3640 (floatunssidf2_internal): Likewise.
3641 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3643 (floatsidf2_loadaddr): Delete.
3644 (floatsidf2_store1): Delete.
3645 (floatsidf2_store2): Delete.
3646 (floatsidf2_load): Delete.
3647 (fix_truncdfsi2): Don't use the fpmem "register", just
3648 allocate a stack temporary.
3649 (fix_truncdfsi2_internal_si): Delete.
3650 (fix_truncdfsi2_internal_di): Delete.
3651 (fix_truncdfsi2_internal): New insn.
3652 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3653 (fix_truncdfsi2_store): Delete.
3654 (fix_truncdfsi2_load): Delete.
3655 (fctiwz): Produce gen_fctiwz.
3657 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3659 * eabi.h (INVOKE__main): Define.
3660 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3662 (rs6000_emit_prologue): Likewise.
3663 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3664 this is the main program.
3666 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3668 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3670 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3672 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3673 goes after the argument.
3675 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3677 * rs6000.md: Document 'unspec' values used.
3678 (epilogue): New expander.
3679 (movesi_to_cr_one): New expander.
3680 (movesi_to_cr and following): New pattern.
3682 (return_internal_si): New pattern.
3683 (return_internal_di): New pattern.
3684 (return_and_restore_fpregs_si): New pattern.
3685 (return_and_restore_fpregs_di): New pattern.
3686 * rs6000.h: Declare new functions.
3687 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3688 rather than rs6000_calls_p.
3689 (rs6000_makes_calls): Delete.
3690 (lmw_operation): New function.
3691 (mtcrf_operation): New function.
3692 (rs6000_emit_epilogue): New function.
3693 (output_epilog): Call rs6000_emit_epilogue and final if
3694 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3696 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3698 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3699 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3700 * aix.h (SUBTARGET_SWITCHES): Document switches.
3701 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3702 sched-prolog and sched-epilog the same. Document all the
3704 (TARGET_OPTIONS): No longer allow -mdebug-.
3706 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3708 * rs6000.h (ASM_FILE_END): Move to aix.h.
3709 (EXTRA_SECTIONS): Move to aix.h.
3710 (READONLY_DATA_SECTION): Move to aix.h.
3711 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3712 (SELECT_SECTION): Move to aix.h.
3713 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3714 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3715 (LINK_REGISTER_REGNUM): New definition.
3716 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3717 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3719 * sysv4.h: Delete the code between the inclusion of rs6000.h
3721 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3722 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3723 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3724 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3725 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3726 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3727 (fix_truncdfsi2_internal_di): New pattern.
3728 (fix_truncdfsi2_store): The second arg here is Pmode too.
3729 (fix_truncdfsi2_load): The second arg here is Pmode too.
3730 (tablejumpdi): Now that switch tables hold only SImode values,
3731 gcc needs to know how to add them to the pc which is DImode.
3732 * rs6000.c (rs6000_stack_info): Use symbolic name for
3733 LINK_REGISTER_REGNUM.
3734 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3735 (output_toc): Delete unused variables s1 and s2.
3736 (output_ascii): Use fputs not fprintf on a variable string.
3738 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3740 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3741 * aix43.h: Revert Aug 2 change.
3742 (HAS_INIT_SECTION): Define, not visible yet.
3743 (LD_INIT_SWITCH): Define, not visible yet.
3744 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3746 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3748 * config/rs6000/rtems.h: Include config/rtems.h.
3750 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3752 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3753 (SLOW_UNALIGNED_ACCESS): Define.
3754 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3755 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3756 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3757 (toc_section): Likewise and .toc pseudo-op.
3758 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3760 (TEXT_SECTION_ASM_OP): Likewise.
3761 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3764 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3766 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3767 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3770 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3772 * rs6000.h: Move more stuff from here...
3774 * sysv4.h: Cleanup accordingly.
3775 * netware.h: Likewise
3777 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3779 * rs6000.h: Continue cleanup.
3782 * netware.h: Likewise.
3784 * sysv4.h: Likewise.
3785 * win-nt.h: Likewise.
3787 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3788 (TARGET_OPTIONS): Likewise.
3790 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3791 (SUBTARGET_OPTIONS): Likewise.
3793 * rs6000.md: Fix compile time warnings.
3795 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3797 vxworks patches from the Cygnus tree originally by
3798 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3799 <vmakarov@cygnus.com>.
3800 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3801 (ENDFILE_SPEC): Likewise.
3802 (LIB_VXWORKS_SPEC): New macro.
3803 (STARTFILE_VXWORKS_SPEC): New macro.
3804 (ENDFILE_VXWORKS_SPEC): New macro.
3805 (LINK_START_VXWORKS_SPEC): New macro.
3806 (LINK_OS_VXWORKS_SPEC): New macro.
3807 (CPP_OS_VXWORKS_SPEC): New macro.
3808 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3809 * vxppc.h: Rewrite to use proper configuration method.
3810 * vxppcle.h: New file.
3811 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3812 * ../../configure: Rebuilt.
3814 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3816 Lots of changes to rs6000.h, sysv4.h, aix.h,
3817 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3818 with the aim that rs6000.h is the first header
3819 included and the others override it.
3822 * x-aix41-gld: Remove.
3824 * x-aix41: Remove target-specific switches, and don't specify
3825 -Wl,-bbigtoc as we don't need it any more.
3826 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3827 Use t-aix43 for AIX 4.3 and above.
3828 * ../../configure: Regenerated.
3830 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3831 options, that don't do anything yet.
3832 (MASK_SCHED_PROLOG): New macro.
3833 (MASK_SCHED_EPILOG): New macro.
3834 (TARGET_SCHED_PROLOG): New macro.
3835 (TARGET_SCHED_EPILOG): New macro.
3837 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3839 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3840 one per translation unit, not one per function.
3841 (output_toc): Also do duplicate constant elimination
3842 for per-translation-unit TOCs.
3844 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3845 a comment explaining _exactly_ when this pattern gets used.
3846 (builtin_setjmp_receiver): New pattern for better clarity.
3847 (init_v4_pic): Move it into a section dealing with TOC registers.
3849 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3851 * rs6000.c (toc_hash_table): New variable.
3852 (rs6000_hash_constant): New function.
3853 (toc_hash_function): New function.
3854 (toc_hash_eq): New function.
3855 (toc_hash_mark_entry): New function.
3856 (toc_hash_mark_table): New function.
3857 (output_toc): Don't output duplicate TOC entries in
3859 (rs6000_add_gc_roots): Add the hash table as a GC root.
3860 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3861 where they clearly shouldn't be. This may need to be fixed
3862 later when there is a GNU ar for AIX.
3863 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3864 Don't define BOOT_LDFLAGS as it is now not necessary.
3866 1999-12-29 Geoff Keating <geoffk@cygnus.com>
3868 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
3869 for va_list on AIX. Use unsigned_char_type_node rather than
3870 constructing our own version on svr4.
3872 1999-12-17 Geoff Keating <geoffk@cygnus.com>
3874 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
3875 since patently it's not.
3877 1999-12-08 Geoff Keating <geoffk@cygnus.com>
3879 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
3880 define_expand/define_insn pair, and handle restore of the
3881 SVR4 -fpic register.
3883 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
3885 * acconfig.h (HAVE_GAS_WEAK): New define.
3886 * configure.in (assembler weak support): Check for .weak support.
3887 * config.in, configure: Rebuilt.
3888 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
3889 HAVE_GAS_WEAK is defined.
3891 2000-03-15 Nick Clifton <nickc@cygnus.com>
3893 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
3896 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
3898 * cppfiles.c (open_include_file): New function.
3899 (find_include_file, cpp_read_file): Use it.
3901 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3903 * cpphash.c (dump_hash_helper): Take the slot, not the element.
3905 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
3907 * flow.c (verify_flow_info): Check for unconditional return.
3909 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
3911 * config/ia64/ia64.md (restore_stack_nonlocal): New.
3912 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
3913 (__ia64_restore_stack_nonlocal): New.
3914 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
3916 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3918 * cpphash.c (collect_formal_parameters): Do not complain about
3919 parameter names that just start with `__VA_ARGS__'.
3921 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
3923 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
3924 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
3925 * i386.c (pentiumpro_cost): Set mul cost to 4.
3926 (x86_use_movx): Set for PPro.
3928 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
3930 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
3931 STACK_BOUNDARY for empty frames now.
3933 2000-03-14 Mark Mitchell <mark@codesourcery.com>
3935 * stor-layout.c (layout_union): Remove.
3936 (layout_union_field): New function, split out from layout_union.
3937 (finish_union_layout): Likewise.
3938 (layout_field): Handle unions by calling layout_union_field.
3939 (finish_record_layout): Handle unions.
3940 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
3941 QUAL_UNION_TYPE handling.
3943 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
3945 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
3946 end of basic block is jump_insn, not barrier; use create_basic_block
3947 instead of creating basic block by hand.
3949 2000-03-14 Jason Eckhardt <jle@cygnus.com>
3951 * flow.c (reorder_basic_blocks): Account for barriers when writing
3952 over NEXT_INSN (last_bb->end).
3953 (verify_flow_info): Add check for missing barriers.
3955 2000-03-14 Greg McGary <gkm@gnu.org>
3957 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
3958 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
3959 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
3960 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
3961 __unbounded, __unbounded__): New keywords.
3962 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
3963 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3964 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3966 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
3968 * cselib.h: New file.
3969 * alias.c: Include "cselib.h".
3970 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
3971 MEMs as two new arguments.
3972 (get_addr): New static function.
3973 (find_base_term): Handle VALUEs.
3974 (memrefs_conflict_p): Likewise.
3975 (true_dependence): Call get_addr on the addresses.
3976 Call fixed_scalar_and_varying_struct_p with addresses that have been
3977 passed through get_addr and canon_rtx.
3978 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
3979 with true_dependence.
3980 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
3981 * loop.c: Include "cselib.h".
3982 (load_mems): Process extended basic block that enters the loop with
3983 cselib. Use that information to change initialization of the shadow
3984 register so that a constant equivalence is seen by later passes.
3985 * reload1.c: Include "cselib.h".
3986 (reload_cse_invalidate_regno): Delete function.
3987 (reload_cse_mem_conflict_p): Likewise.
3988 (reload_cse_invalidate_mem): Likewise.
3989 (reload_cse_invalidate_rtx): Likewise.
3990 (reload_cse_regno_equal_p): Likewise.
3991 (reload_cse_check_clobber): Likewise.
3992 (reload_cse_record_set): Likewise.
3993 (reg_values): Delete static variable.
3994 (invalidate_regno_rtx): Likewise.
3995 (reload_cse_delete_noop_set): New static function.
3996 (reload_cse_simplify): New static function, broken out of
3998 (reload_cse_noop_set_p): Delete unused argument INSN.
3999 Just call rtx_equal_for_cselib_p on set source and destination.
4000 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4001 reload_cse_delete_noop_set. Delete code to keep track of values; use
4002 cselib functions instead. Delete code to push/pop obstacks.
4003 (reload_cse_simplify_set): Use cselib to find equivalent values.
4004 Delete code to push/pop obstacks.
4005 (reload_cse_simplify_operands): Likewise.
4006 * rtl.def (VALUE): New rtx code.
4007 * rtl.h (union rtunion_def): New elt rt_cselib.
4008 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4009 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4010 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4011 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4012 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4013 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4014 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4015 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4016 cselib_record_set, cselib_record_sets): New static functions.
4017 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4018 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4019 references_value_p): New functions.
4020 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4021 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4022 n_useless_values, reg_values, callmem, cselib_obstack,
4023 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4024 New static variables.
4025 * varray.h (union varray_data_tag): New elt te.
4026 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4027 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4030 2000-03-14 Nick Clifton <nickc@cygnus.com>
4032 * gcc.c (do_spec_1): Catch the case where %* is used in a
4033 substitution pattern, but it has not been initialised.
4034 Issue a meaningful error message if an unrecognised operator
4035 is encountered in a spec string.
4037 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4039 * function.c (prepare_function_start): Correctly initialize
4040 cfun->stack_alignment_needed.
4042 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4044 * cppfiles.c (find_include_file): Don't assume nshort is a
4047 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4049 * configure.in (hppa configurations): Add pa32-regs.h to the
4050 list of tm files as appropriate.
4051 * configure: Rebuilt.
4052 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4054 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4055 (fmpyaddoperands, fmpysuboperands): Likewise.
4056 * pa.h: Remove various definitions which depend on knowing
4057 how registers are numbered.
4058 * pa32-regs.h: New file with PA32 register numbering specific
4061 2000-03-14 Richard Henderson <rth@cygnus.com>
4063 * regmove.c (combine_stack_adjustments): New.
4064 (stack_memref_p, single_set_for_csa): New.
4065 (free_csa_memlist, record_one_stack_memref): New.
4066 (try_apply_stack_adjustment): New.
4067 (combine_stack_adjustments_for_block): New.
4068 * rtl.h (combine_stack_adjustments): Declare.
4069 * toplev.c (rest_of_compilation): Call it.
4071 * i386.md: Revert 2000-01-16 change.
4073 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4075 * gccbug.in: Add web category, gcc specific classes.
4077 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4079 * stor-layout.c (finalize_record_size): Fix typo.
4081 2000-03-14 Stan Shebs <shebs@apple.com>
4083 * c-typeck.c (c_alignof): Error on incomplete types.
4084 * extend.texi (Alignment): Document this.
4086 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4088 * cppfiles.c: Include mkdeps.h.
4089 (find_include_file, read_include_file): Remove _cpp_ prefix
4090 from name, make static.
4091 (_cpp_execute_include): New function, broken out of
4094 * cpplib.c: Don't include mkdeps.h.
4095 (struct directive): Remove type field. Reorder entries. The
4096 function takes only one argument.
4097 (struct if_stack): Make type field an int.
4098 (directive_table): Rename to dtable. Generate it, the
4099 prototypes of the directive handlers, and the enum for the
4100 directive numbers, from a template macro.
4101 (do_ifndef, do_include_next, do_import): New functions.
4102 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4103 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4104 do_ident, do_assert, do_unassert, do_sccs): Take only one
4106 (do_sccs): Define always, but alter behavior based on
4108 (_cpp_handle_directive, consider_directive_while_skipping):
4109 Restructure for new directive table layout.
4111 (pass_thru_directive): Take a directive number, not a pointer
4112 to a struct directive.
4113 (parse_include): New function, broken out of do_include.
4114 (do_include, do_import, do_include_next): Use parse_include
4115 and _cpp_execute_include.
4116 (do_elif, do_else): Test for T_ELSE specifically when checking
4117 for #elif/#else after #else.
4118 (parse_ifdef): New function, broken out of do_ifdef.
4119 (validate_else): Expect a name arg without a leading #.
4120 (if_directive_name): Delete.
4121 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4122 directive handlers with only one argument.
4124 * cpphash.h: Update prototypes.
4125 (enum node_type): Remove entries for directives.
4126 * Makefile.in: Update dependencies.
4128 * cpphash.c (dump_hash_helper): Only dump nodes of type
4129 T_MACRO. Emit a newline after each definition.
4131 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4133 * gccbug.in: New file.
4134 * configure.in (all_outputs): Add gccbug.
4135 * Makefile.in (install-common): Install gccbug.
4136 (GCCBUG_INSTALL_NAME): New variable.
4137 * configure: Rebuilt.
4139 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4141 * function.c (put_var_into_stack): Use type_for_mode to calculate
4142 part_type. Use MEM_SET_IN_STRUCT_P.
4143 * expr.c (store_field): Handle CONCAT.
4144 (store_constructor): Use fields_length.
4145 * tree.c (fields_length): New fn.
4146 * tree.h: Declare it.
4148 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4150 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4151 (cpplex.o): New target.
4152 * po/POTFILES.in: Add cpplex.c.
4154 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4155 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4156 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4157 skip_block_comment, skip_line_comment, skip_comment,
4158 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4159 _cpp_parse_name, skip_string, parse_string,
4160 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4161 _cpp_get_directive_token, find_position,
4162 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4163 (maybe_macroexpand, _cpp_lex_token): New functions.
4165 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4166 parse_goto_mark): Delete.
4167 (_cpp_handle_eof): New function.
4168 (_cpp_handle_directive): Rename from handle_directive.
4169 (_cpp_output_line_command): Rename from output_line_command.
4170 (do_if, do_elif): Call _cpp_parse_expr directly.
4171 * cppfiles.c (_cpp_read_include_file): Don't call
4172 init_input_buffer here.
4173 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4174 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4175 here; pop the token_buffer and skip the rest of the line here.
4176 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4179 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4181 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4182 CPP_GOTO_MARK): New macros.
4183 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4184 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4185 _cpp_read_and_prescan, _cpp_init_input_buffer,
4186 _cpp_grow_token_buffer, _cpp_get_directive_token,
4187 _cpp_handle_directive, _cpp_handle_eof,
4188 _cpp_output_line_command): Prototype them here.
4189 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4190 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4191 quote_string, output_line_command): Remove.
4193 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4195 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4196 whether it is too large we must also verify that it isn't negative.
4198 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4200 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4201 (movsi_zero_liveg0): Remove.
4202 (movsf_insn_novis_liveg0): Remove.
4204 (negsi2_not_liveg0): Rename to negsi2.
4205 (one_cmplsi2): Remove.
4206 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4207 (one_cmplsi2_liveg0): Remove.
4208 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4209 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4210 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4211 (PREDICATE_CODES): Remove zero_operand.
4212 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4213 TARGET_BROKEN_SAVERESTORE.
4214 (zero_operand): Remove.
4215 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4216 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4218 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4219 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4220 TARGET_BROKEN_SAVERESTORE): Remove.
4221 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4223 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4225 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4228 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4230 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4232 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4233 truncating a string. Don't assume tokens are nul terminated.
4234 Problem noted by Andreas Jaeger <aj@suse.de>
4236 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4238 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4239 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4240 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4242 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4244 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4245 STRUCTURE_SIZE_BOUNDARY.
4247 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4249 * tree.h (record_layout_info_s): New structure.
4250 (record_layout_info): New type.
4251 (new_record_layout_info): New function.
4252 (layout_field): Likewise.
4253 (finish_record_layout): Likewise.
4254 * stor-layout.c (layout_record): Remove.
4255 (new_record_layout_info): New function.
4256 (layout_field): New function, broken out from layout_record.
4257 (finalize_record_size): Likewise.
4258 (compute_record_mode): Likewise.
4259 (finalize_type_size): New function, broken out from layout_type.
4260 (finish_record_layout): Likewise.
4261 (layout_type): Use them.
4263 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4265 * cpphash.c: Don't include version.h.
4266 (special_symbol) [case T_VERSION]: Look for the string in
4267 hp->value.cpval; don't use version_string.
4268 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4269 __VERSION__ to version_string.
4270 * Makefile.in (cpphash.o): Update deps.
4272 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4274 Convert cpplib to use libiberty/hashtab.c.
4276 * cpplib.h (struct cpp_reader): Make hashtab and
4277 all_include_files of type 'struct htab *'. Delete HASHSIZE
4278 and ALL_INCLUDE_HASHSIZE macros.
4280 * cpphash.h: Update prototypes.
4281 (struct hashnode): Remove next, prev, and bucket_hdr members.
4282 Make length a size_t. Add hash member.
4283 (struct ihash): Remove next member. Add hash member. Make
4284 name a flexible array member.
4286 * cppfiles.c: Include hashtab.h.
4287 (include_hash): Delete.
4288 (IHASHSIZE): New macro.
4289 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4290 (cpp_included): Do the hash lookup here.
4291 (_cpp_find_include_file): Rewrite.
4292 (cpp_read_file): Put the "fake" hash entry into the hash
4293 table. Honor the control_macro, if it turns out we've seen
4294 the file before. Don't push the buffer here.
4295 (_cpp_read_include_file): Push the buffer here.
4296 (OMODES): New macro. Use it whenever we call open(2).
4298 * cpphash.c: Include hashtab.h.
4299 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4300 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4301 _cpp_lookup_slot): New functions.
4302 (HASHSIZE): new macro.
4303 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4304 (_cpp_lookup): Use hashtab.h routines.
4306 * cppinit.c: Include hashtab.h.
4307 (cpp_reader_init): Call _cpp_init_macro_hash and
4308 _cpp_init_include_hash. Don't allocate hashtab directly.
4309 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4310 pfile->all_include_files.
4311 (initialize_builtins): Use _cpp_make_hashnode and
4312 htab_find_slot to add hash entries.
4313 (cpp_finish): Just call _cpp_dump_macro_hash.
4314 * cpplib.c: Include hashtab.h.
4315 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4316 create hash entries.
4317 (do_pragma_poison, do_assert): Likewise.
4318 (do_include): Don't push the buffer here. Don't increment
4319 system_include_depth unless _cpp_read_include_file succeeds.
4320 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4322 (do_pragma_implementation): Use alloca to create copy.
4324 * Makefile.in: Update dependencies.
4326 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4328 * cppinit.c (cl_directive_handler): More K&R fixing.
4330 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4332 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4334 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4336 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4338 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4339 Change from char[] to macros.
4341 2000-03-12 Neil Booth <NeilB@earthling.net>
4343 * cppinit.c (cpp_start_read): Update indirect function
4346 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4348 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4351 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4352 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4354 2000-03-11 Neil Booth <NeilB@earthling.net>
4356 * cppinit.c (struct pending option): Replace undef with a
4357 pointer to a directive handling routine.
4358 (struct cpp_pending): Replace separate assert_ and define_
4359 lists with one directive_ list.
4360 (new_pending_define): Rename new_pending_directive. Extra
4361 argument is the directive's handling routine.
4362 (handle_option): Update to use new_pending_directive.
4364 2000-03-11 Neil Booth <NeilB@earthling.net>
4366 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4367 remap_filename, _cpp_read_include_file, actual_directory,
4368 hack_vms_include_specification): Replace bcopy(), index() etc
4369 calls. Add casts to some allocations. Make some variables
4370 pointers to const [unsigned] char.
4371 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4372 collect_formal_parameters): Similarly.
4373 * cppinit.c (struct pending_option, append_include_chain,
4374 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4375 cpp_start_read, new_pending_define, handle_option): Similarly.
4376 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4377 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4378 do_pragma_implementation, detect_if_not_defined,
4379 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4380 do_assert, do_unassert): Similarly.
4381 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4382 function prototypes.
4383 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4385 2000-03-10 Richard Henderson <rth@cygnus.com>
4387 * builtins.c (expand_builtin_strlen): Revert last change.
4388 Use emit_insn_before if we're at the beginning of a sequence.
4390 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4392 * builtins.c (expand_builtin_strlen): Make sure that we have something
4393 at the beginning of the sequence.
4395 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4398 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4400 2000-03-10 Richard Henderson <rth@cygnus.com>
4402 * except.c (can_throw): Use INTVAL on a CONST_INT.
4403 (reachable_handlers): Likewise.
4404 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4406 2000-03-10 Andreas Jaeger <aj@suse.de>
4408 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4409 MD_STARTFILE_PREFIX since those are not needed on linux.
4410 (ASM_FILE_START): New, from mips/gnu.h.
4412 2000-03-09 Richard Henderson <rth@cygnus.com>
4413 Alex Samuel <samuel@codesourcery.com> and others
4415 * Makefile.in (ssa.o): New rule.
4417 (STAGESTUFF): Add *.ssa and *.ussa.
4418 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4419 * rtl.def (PHI): New RTL expression.
4420 * rtl.h (clear_log_links): New declaration.
4421 (convert_to_ssa): Likewise.
4422 (convert_from_ssa): Likewise.
4423 * flow.c (split_edge): If the entry node falls through to the
4424 split edge's source block, split the entry edge.
4425 (clear_log_links): New function.
4426 * toplev.c (ssa_dump): New variable.
4427 (flag_ssa): Likewise.
4428 (f_options): Add "ssa".
4429 (compile_file): Create SSA dump files.
4430 (rest_of_compilation): Go to and from SSA if enabled.
4431 (decide_d_option): Handle -de for SSA dump files.
4434 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4436 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4439 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4441 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4443 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4445 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4446 (MD_STARTFILE_PREFIX_1): New macro.
4448 2000-03-09 Robert Lipe <robertl@sco.com>
4450 * config/ia64/ia64.c: Include system.h.
4452 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4454 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4455 (init_eh_nesting_info): Likewise.
4457 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4458 (TREE_NOTHROW): Rename from TREE_RAISES.
4459 * toplev.c (rest_of_compilation): Set it.
4460 * print-tree.c (print_node): Adjust.
4461 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4462 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4463 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4464 REG_EH_REGION note as appropriate.
4465 (libfunc_nothrow): New fn.
4466 (emit_library_call, emit_library_call_value): Use it.
4467 (expand_call): Check TREE_NOTHROW.
4469 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4470 DECL_ASSEMBLER_NAME.
4472 2000-03-09 Andreas Jaeger <aj@suse.de>
4474 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4475 (TARGET_MEM_FUNCTIONS): Define.
4477 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4479 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4481 * except.c (can_throw): See through a SEQUENCE.
4482 (nothrow_function_p): New fn.
4483 * except.h: Declare it.
4484 * function.c (current_function_nothrow): New var.
4485 (prepare_function_start): Initialize it.
4486 * output.h: Declare it.
4487 * toplev.c (rest_of_compilation): Set it.
4488 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4490 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4492 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4493 match. (cpp_compare_defs): Count the nul separator when
4494 advancing over argument names.
4496 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4498 * recog.c (preprocess_constraints): Matching constraints affect
4499 same alternative/different operand, not same operand/different
4502 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4503 register and a constant specially.
4505 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * libgcc2.h: New file.
4508 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4510 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4512 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4513 * configure: Regenerate.
4516 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4518 * Makefile.in (LIBCPP_DEPS): New macro.
4519 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4521 * cpperror.c: Include cpphash.h.
4522 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4524 (lex): Don't use CPP_WARN_UNDEF.
4525 (_cpp_parse_expr): Return an int, the truth value.
4526 * cppfiles.c: Include cpphash.h.
4527 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4528 * cppinit.c (include_defaults_array): Disentangle.
4529 (cpp_cleanup): Don't free the if stack here.
4530 (cpp_finish): Pop off all buffers, not just one.
4531 * cpplib.c (eval_if_expr): Return int.
4532 (do_xifdef): Rename do_ifdef.
4533 (handle_directive): Don't use CPP_PREPROCESSED.
4534 (cpp_get_token): Don't use CPP_C89.
4535 * fix-header.c: Don't use CPP_OPTIONS.
4537 * cpplib.h: Move U_CHAR, enum node_type, struct
4538 file_name_list, struct ihash, is_idchar, is_idstart,
4539 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4540 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4541 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4542 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4543 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4544 of _cpp_simplify_pathname, _cpp_find_include_file,
4545 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4546 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4548 Change all uses of U_CHAR to be unsigned char instead.
4549 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4551 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4553 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4554 (dwarf2out_begin_prologue): Set it.
4555 (output_call_frame_info): Don't emit EH unwind info for leaves.
4557 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4558 can occur outside of an EH region.
4559 * except.c: Correct comments about rethrow behavior.
4560 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4562 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4564 * flow.c (make_edges): Always call make_eh_edge for calls.
4566 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4568 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4569 (struct cpp_buffer): Remove fname and underflow fields.
4570 (struct cpp_reader): Remove get_token field.
4571 (struct include_hash): Rename to struct ihash. Add typedef to
4573 (struct if_stack): Remove fname field.
4574 (IF_STACK_FRAME): Rename to IF_STACK.
4576 * cpperror.c (print_containing_files): Trust that there are no
4577 macro buffers below the top file buffer.
4578 * cppfiles.c: Replace all references to 'struct include_hash'
4579 with 'IHASH'. Rename initialize_input_buffer to
4580 init_input_buffer. Don't set or reference cpp_buffer->fname,
4581 use buffer->ihash->name instead.
4582 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4583 not CPP_NULL_BUFFER.
4584 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4585 IF_STACK_FRAME, IHASH not struct include_hash.
4586 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4587 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4588 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4589 references to cpp_buffer->fname (delete entirely, or use
4590 ->ihash->name instead) and IF_STACK->fname.
4591 (cpp_push_buffer): Don't set new->underflow.
4592 (do_include): Use cpp_file_buffer.
4594 * cpphash.c (collect_formal_parameters): Remove duplicate
4595 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4596 used as a macro argument name. Don't append "..." to namebuf
4597 for varargs macros. After we're done scanning, go through
4598 namebuf and make it NUL separated, not comma separated.
4599 (_cpp_compare_defs): Remove register tag from variables.
4600 Expect defn->argnames to be NUL separated.
4601 (_cpp_dump_definition): Expect defn->argnames to be NUL
4602 separated and in forward order.
4603 * cpphash.h: Update documentation of argnames field.
4605 2000-03-08 Richard Henderson <rth@cygnus.com>
4607 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4608 to fail. Don't pre-expand the source operand.
4610 * i386.md (strlensi): Initialize eoschar and align before use.
4612 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4614 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4615 CONSTRUCTOR element.
4617 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4619 * mips.c (mips_expand_prologue): If the last
4620 named argument is the vararg marker "va_list", treat it as
4621 an unnamed argument.
4623 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4625 * dbxout.c (dbxout_parms): When correcting for promoted
4626 big-endian parameters, use the mode of the DECL_RTL rather
4627 than UNITS_PER_WORD.
4629 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4631 * c-common.h (make_fname_decl): Declare.
4632 * c-common.c (make_fname_decl): Define.
4633 (declare_hidden_char_array): Remove.
4634 (declare_function_name): Use make_fname_decl.
4635 * c-decl.c (c_make_fname_decl): New function.
4636 (init_decl_processing): Set make_fname_decl.
4638 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4640 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4642 2000-03-07 Philipp Thomas <pthomas@suse.de>
4644 * po/POTFILES.in: Remove cppalloc.c from file list.
4646 2000-03-07 Steve Chamberlain <sac@pobox.com>
4648 * pj.c (pj_expand_prologue): current_function->args_info is
4649 now current_function_args_info.
4651 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4652 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4653 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4655 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4657 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4658 output as hexadecimal rather than the default octal.
4660 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4662 * cpphash.c (special_symbol): Fix thinko in previous commit.
4664 2000-03-07 Neil Booth <NeilB@earthling.net>
4666 * cppexp.c (struct operation, left_shift, right_shift,
4667 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4668 "int"s to "unsigned int"s.
4669 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4671 * cpplib.h: Update for above.
4672 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4673 returned from allocations.
4675 * cppinit.c (opt_comp, parse_options): New functions.
4676 (handle_option): Use parse_option to parse a single command
4677 line option, that possibly takes an argument.
4678 (cpp_handle_options): Sort the array of command line options on
4679 first invocation (non-ASCII hosts only).
4680 (print_help): Update.
4682 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4684 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4685 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4687 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4689 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4691 * cpperror.c (cpp_print_containing_files,
4692 cpp_print_file_and_line, v_cpp_message): Rename to
4693 print_containing_files, print_file_and_line, and v_message.
4694 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4695 to _cpp_parse_expr, parse_escape, and lex.
4696 (parse_charconst): Remove broken multibyte support.
4697 * cppfiles.c (include_hash): Make static.
4698 (cpp_included): New function.
4699 (merge_include_chains, find_include_file, finclude,
4700 simplify_pathname): Rename to _cpp_merge_include_chains,
4701 _cpp_find_include_file, _cpp_read_include_file, and
4702 _cpp_simplify_pathname.
4703 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4704 cpp_install, create_definition, macroexpand, compare_defs,
4705 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4706 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4707 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4708 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4710 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4712 * cpphash.h: Update prototypes.
4713 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4715 2000-03-07 Andrew Haley <aph@cygnus.com>
4717 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4718 PTRDIFF_TYPE should be based solely on Pmode.
4721 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * rtl.h (rtunion_def): Constify member `rtstr'.
4724 (emit_line_note_after, emit_line_note, emit_line_note_force,
4725 emit_note, decode_asm_operands): Constify.
4727 * cse.c (canon_hash): Likewise.
4729 * dbxout.c (dbxout_block): Likewise.
4731 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4732 v_warning_for_asm): Likewise.
4734 * dwarfout.c (function_start_label): Likewise.
4736 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4737 emit_line_note_force): Likewise.
4739 * final.c (last_filename, asm_insn_count, final_scan_insn,
4740 output_source_line): Likewise.
4742 * function.h (struct emit_status): Likewise.
4744 * gcse.c (hash_expr_1): Likewise.
4746 * genattr.c (gen_attr, main): Likewise.
4748 * genattrtab.c (struct function_unit, current_alternative_string,
4749 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4750 attr_numeral, check_attr_test, check_attr_value,
4751 convert_set_attr_alternative, convert_set_attr,
4752 compute_alternative_mask, simplify_by_exploding, gen_attr,
4753 gen_unit): Likewise.
4755 * genflags.c (gen_insn): Likewise.
4757 * gengenrtl.c (type_from_format): Likewise.
4759 * genopinit.c (gen_insn): Likewise.
4761 * genoutput.c (n_occurrences, process_template, process_template):
4764 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4767 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4770 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4771 ggc_set_mark, ggc_get_size): Likewise.
4773 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4775 * optabs.c (init_one_libfunc): Likewise.
4777 * output.h (assemble_start_function): Likewise.
4779 * recog.c (decode_asm_operands): Likewise.
4781 * toplev.c (rest_of_compilation): Likewise.
4783 * tree.h (emit_line_note_after, emit_line_note,
4784 emit_line_note_force): Likewise.
4786 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4787 asm_emit_uninitialised, assemble_start_function,
4788 assemble_variable, const_hash, compare_constant_1,
4789 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4791 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4793 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4795 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4797 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4799 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4800 arm_dllimport_name_p): Likewise.
4802 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4805 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4807 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4809 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4810 arm_mark_dllexport, arm_mark_dllimport,
4811 arm_pe_encode_section_info): Likewise.
4813 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4814 ASM_FINISH_DECLARE_OBJECT): Likewise.
4816 * arm/thumb.c (thumb_function_prologue): Likewise.
4818 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4820 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4822 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4824 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4826 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4828 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4830 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4831 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4833 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4835 * i386/i386.c (asm_output_function_prefix): Likewise.
4837 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4839 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4841 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4843 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4844 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4845 ASM_OUTPUT_SECTION_NAME): Likewise.
4847 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4849 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4851 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4853 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4855 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4857 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4859 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4861 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4863 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4865 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4867 * mips/mips.md (movdi, movsi): Likewise.
4869 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4871 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4873 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4875 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4876 ASM_OUTPUT_ASCII): Likewise.
4878 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
4879 output_mi_thunk, output_toc): Likewise.
4881 * rs6000/rs6000.md (movsi): Likewise.
4883 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
4885 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
4887 * v850/v850.c (print_operand, print_operand_address,
4888 v850_encode_data_area): Likewise.
4890 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
4892 * config/mips/mips.md (zero_extendsidi2): Always force operand
4893 one to memory for mips16.
4895 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4897 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
4898 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
4899 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
4900 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
4901 (min_precision): Result is unsigned.
4902 (add_double, neg_double, mul_double): Low word is unsigned.
4903 (lshift_double, rshift_double, lrotate_double): Likewise.
4904 (rrotate_double, div_and_round_double): Likewise.
4905 (tree_floor_log2, compare_tree_int): New functions.
4906 (preserve_rtl_expr_temps): New declaration.
4907 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
4908 (decl_attributes): Use tree_log2 to find alignment.
4909 Check for TREE_INT_CST_HIGH for format args.
4910 (min_precision): Now unsigned.
4911 Use tree_floor_log2.
4912 (truthvalue_conversion): Delete long-disabled code.
4913 * c-decl.c (finish_struct): Clean up tests on field width.
4914 (finish_function): Use compare_tree_int.
4915 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
4916 * c-typeck.c (comptypes): Use tree_int_cst_equal.
4917 (default_conversion, digest_init): Use compare_tree_int.
4918 (build_binary_op): Use integer_all_onesp and compare_tree_int.
4919 Fix type errors in forming masks.
4920 * calls.c (initialize_argument_information): Use compare_tree_int.
4921 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4922 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
4923 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
4924 (store_field): Use compare_tree_int.
4925 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
4926 (expand_expr, case ARRAY_REF): Use compare_tree_int.
4927 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
4928 (do_store_flag): Use compare_tree_int.
4929 * fold-const.c (encode, decode): Low part is always unsigned.
4930 (force_fit_type, add_double, neg_double, mul_double): Likewise.
4931 (lshift_double, rshift_double, lrotate_double): Likewise.
4932 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
4933 (fold_convert): Use compare_tree_int.
4934 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
4935 (invert_truthvalue, case INTEGER_CST): Likewise.
4936 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
4937 * mkdeps.c (deps_dummy_targets): Make I unsigned.
4938 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
4939 (lshift_double, rshift_double, lrotate_double, rrotate_double):
4941 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
4942 (expand_end_case): Use compare_tree_int.
4943 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4944 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
4945 (layout_decl): Likewise.
4946 (layout_record, layout_union): Make sizes unsigned.
4947 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
4948 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
4949 * tree.c (struct type_hash): hashcode is unsigned.
4950 (build_type_attribute_variant, type_hash_list): Likewise.
4951 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
4952 (attribute_hash_list, build_array_type, build_method_type): Likewise.
4953 (build_complex_type): Likewise.
4954 (real_value_from_int_cst): Remove unneeded casts.
4955 (integer_all_onesp): Add casts.
4956 (tree_floor_log2, compare_tree_int): New functions.
4957 (build_index_type): Use tree_int_cst_sgn.
4958 * varasm.c (assemble_variable): Use compare_tree_int.
4960 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
4962 * cpphash.c (collect_expansion): Also catch ## at start of macro.
4964 * varasm.c (make_decl_rtl): Don't add a number to members of
4966 (make_function_rtl): Likewise.
4968 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4970 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
4971 patch from 2000-01-28.
4973 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
4975 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
4976 filled with an insn from the jump target.
4978 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4980 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
4981 (c4x_external_ref): Likewise.
4982 * config/c4x/c4x.c (struct name_list): Likewise.
4984 1999-12-16 Ben Collins <bcollins@debian.org>
4986 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
4987 argument to genmultilib.
4988 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
4989 the contents into the multilib.h header.
4990 * gcc.c: Declare multilib_exclusions for the specs file.
4991 (set_multilib_dir): Use it.
4992 (print_multilib_info): Likewise.
4993 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
4994 to pass to genmultilib.
4996 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4998 * builtins.c (built_in_class_names, built_in_names): Constify a
5001 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5003 (_mcleanup): Ensure value matches format specifier in sprintf.
5005 * cpphash.c (special_symbol): Don't needlessly cast away
5008 * cppinit.c (base_name): Delete unused prototype.
5010 * mkdeps.c (deps_init): Make definition K&R safe.
5012 * tree.h (built_in_class_names, built_in_names): Constify a
5015 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5017 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5018 floating point instructions for epilogue delay.
5020 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5021 to gas if it supports .register pseudo.
5023 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5024 LONG_DOUBLE_TYPE_SIZE if not defined.
5025 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5026 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5028 * gengenrtl.c: Likewise.
5029 * print-rtl.c: Likewise.
5031 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5032 MASK_LONG_DOUBLE_128.
5033 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5034 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5035 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5036 (SUBTARGET_SWITCHES): Define.
5037 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5038 with -mlong-double-128.
5039 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5040 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5041 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5042 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5043 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5044 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5045 with -mlong-double-128.
5046 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5047 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5048 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5049 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5050 TARGET_LONG_DOUBLE_128): Define.
5051 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5052 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5053 long double on TARGET_ARCH64.
5055 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5057 * function.c (free_temps_for_rtl_expr): Don't free slots
5058 that have been pushed into a higher level.
5061 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5063 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5065 * basic-block.h (ALLOCA_REG_SET): Remove.
5066 (INITIALIZE_REG_SET): New macro.
5067 * flow.c (update_life_info): Use it.
5068 (calculate_global_regs_live): Likewise.
5069 (propagate_block): Likewise.
5070 * global.c (build_insn_chain): Likewise.
5071 * haifa-sched.c (schedule_region): Likewise.
5073 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5075 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5076 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5077 (DWARF_ARANGES_PAD_SIZE): New define.
5078 (output_aranges): Use it to pad the address range header.
5079 (DWARF_ROUND): Fix for non power of 2 rounding.
5081 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5083 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5085 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5087 * tree.def (RTL_EXPR): Update documentation.
5088 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5089 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5090 * function.c (preserve_rtl_expr_temp): New function.
5091 (preserve_rtl_expr_temps): Likewise.
5092 (preserve_rtl_expr_result): Use it.
5095 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5097 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5099 * regmove.c (copy_src_to_dest) Do not create src->dest move
5100 for unchanging destination.
5102 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5104 * function.h (struct sequence_stack): Remove rtl_expr.
5105 (struct emit_staus): Likewise.
5106 (seq_rtl_expr): Remove.
5107 * tree.h (free_temps_for_rtl_expr): Don't declare.
5108 (start_sequence_for_rtl_expr): Likewise.
5109 * rtl.h (preserve_rtl_expr_result): Likewise.
5110 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5111 (start_sequence_for_rtl_expr): Remove.
5112 (push_topmost_sequence): Don't save sequence_rtl_expr.
5113 (pop_topmost_sequence): Remove comment about not restoring it.
5114 (end_sequence): Don't set seq_rtl_expr.
5115 (init_emit): Don't initialize it.
5116 (mark_sequence_stack): Don't mark it.
5117 (mark_emit_status): Likewise.
5118 * except.c (protect_with_terminate): Use
5119 start_sequence_for_rtl_expr, not start_sequence.
5120 * expr.c (expand_expr, case RTL_EXPR): Don't call
5121 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5122 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5123 (preserve_rtl_expr_result): Remove.
5124 (free_temps_for_rtl_expr): Likewise.
5125 (pop_temp_slots): Likewise.
5126 (mark_temp_slot): Don't mark the rtl_expr.
5127 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5128 start_sequence_for_rtl_expr.
5130 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5132 * mkdeps.c, mkdeps.h: New files.
5133 * po/POTFILES.in: Add them.
5134 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5135 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5136 (mkdeps.o): New target.
5138 * cppfiles.c: Delete deps_output.
5139 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5140 OBJECT_SUFFIX, and base_name.
5141 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5143 (initialize_dependency_output): Use deps_init,
5144 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5145 all the unnecessary string bashing.
5146 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5148 * cpplib.c (do_include): Use deps_add_dep.
5149 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5150 deps_allocated_size, deps_size, deps_column members with
5151 single pointer to a struct deps. Delete prototype of
5154 * cppinit.c: Fix thinko in previous patch.
5156 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5158 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5159 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5160 (mode_for_size_tree): New function.
5161 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5162 * tree.h (mode_for_size_tree): New declaration.
5164 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5166 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5168 * stmt.c (is_body_block): Move...
5169 * dwarfout.c, dwarf2out.c: ...from here.
5170 * tree.h: Declare it.
5171 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5172 * final.c (final_start_function): Do call remove_unnecessary_notes
5175 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5177 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5179 * cpplib.h (_dollar_ok): New macro.
5180 (is_idchar, is_idstart): Use it.
5181 (IStable): Rename to _cpp_IStable. Declare it const if
5182 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5183 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5184 is_space): Update for renamed IStable.
5186 * cppinit.c: Delete all references to FAKE_CONST and CAT
5187 macros. Define init_IStable as empty macro if gcc >=2.7 or
5188 C99. Change TABLE() to ISTABLE and hardcode name of table.
5189 (cpp_start_read): Don't change the IStable based on
5192 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5193 changed. Handle '$' for char1 correctly.
5194 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5196 * cppexp.c (tokentab2): Make const.
5197 (cpp_lex): Make toktab const.
5198 * cppinit.c (include_defaults_array): Make const.
5199 (initialize_standard_includes): Make default_include const.
5201 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5203 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5204 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5205 (gen_decl_die): Likewise.
5206 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5207 (output_decl): Likewise.
5209 * varasm.c (make_function_rtl): If we change the name used in the
5210 rtl, update DECL_ASSEMBLER_NAME accordingly.
5211 (make_decl_rtl): Likewise.
5213 * toplev.c (rest_of_compilation): Tweak formatting.
5215 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5216 remove_unnecessary_notes.
5217 (debug_ignore_block): New fn.
5218 * toplev.h: Declare it.
5219 * emit-rtl.c (remove_unncessary_notes): Call it.
5220 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5221 * dwarf2out.h: Declare it.
5222 * final.c (final_start_function): Don't call remove_unnecessary_notes
5223 if we did insn scheduling.
5225 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5227 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5228 * cpplib.h: Delete SET_CPP_PEDANTIC.
5230 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5232 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5233 result is a RECORD_TYPE.
5235 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5237 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5239 2000-03-03 Richard Henderson <rth@cygnus.com>
5241 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5242 addition over compliments over shifts.
5244 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5246 * reload1.c (reload_combine_note_use): Handle return register USEs.
5247 REG case: Handle multi-hard-register hard regs.
5249 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5251 * md.texi: Document use of '*' in insn pattern name.
5253 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5255 * calls.c (special_function_p): operator new may not be malloc-like.
5257 * gcse.c (dump_hash_table): Really fix error in last change.
5259 2000-03-02 Denis Chertykov <denisc@overta.ru>
5261 * avr.c (print_operand): Use print_operand_address instead of
5263 * avr/libgcc.S: Cleanup code.
5265 2000-03-02 Richard Henderson <rth@cygnus.com>
5267 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5269 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5271 * tree.h (TYPE_ALIGN_UNIT): New macro.
5273 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5275 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5277 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5279 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5281 (SET_CPP_PEDANTIC): New macro.
5282 * cpplib.c (do_include): Don't bother checking system_header_p.
5283 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5284 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5286 * function.h (struct expr_status): Add x_arg_space_so_far.
5287 (arg_space_so_far): New macro.
5288 * expr.c (init_expr): Initialize it.
5289 * calls.c (emit_call_1): Reset it.
5290 (compute_argument_block_size, expand_call): Use it.
5291 (expand_call, store_one_arg): Increment it.
5293 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5295 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5298 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5300 * cppfiles.c (cpp_read_file): New function.
5302 * cpphash.c (collect_expansion): Make sure to reset last_token
5303 to NORM when we hit a string. Handle trailing whitespace
5304 properly when the expansion is empty.
5305 (create_definition): Disable line commands while parsing the
5307 (dump_definition): If pfile->lineno == 0, output a line
5308 command ahead of the dump, and add a trailing newline.
5310 * cppinit.c (append_include_chain): Add fifth argument, which
5311 indicates whether or not system headers are C++ aware.
5312 (initialize_standard_includes): New function,
5313 broken out of read_and_prescan. Pass 'cxx_aware' value from
5314 the include_defaults_array on to append_include_chain.
5315 (dump_special_to_buffer): Const-ify char array.
5316 (builtin_array): Don't dump __BASE_FILE__.
5317 (cpp_start_read): Use cpp_read_file. Reorder code for
5318 clarity. Don't output line commands here for -D/-A/-U
5319 switches. Don't call deps_output for files included with
5320 -include or -imacros.
5322 * cpplib.c (do_define): Don't pay any attention to the second
5324 (cpp_expand_to_buffer): Disable line commands while scanning.
5325 (output_line_command): Work in the file buffer.
5326 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5327 Fix formatting of comments. Prototype cpp_read_file.
5329 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5331 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5332 reference the language-equivalent of sizetype.
5333 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5334 * fold-const.c (size_binop, size_diffop): Put back checks.
5335 * gcse.c (dump_hash_table): Fix minor error in last change.
5336 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5337 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5340 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5342 * calls.c (expand_call) Do not attempt to combine stack adjustments
5343 with inhibit_defer_pop set.
5345 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5347 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5348 the DECL_SIZE for a FIELD_DECL.
5350 2000-03-01 Bruce Korb <bkorb@gnu.org>
5352 * fixinc/inclhack.tpl: remove unused symlinks
5353 * fixinc/README: GCC Maintainer info
5354 * fixinc/inclhack.sh: regen
5355 * fixinc/fixincl.sh: regen
5357 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5359 * cpphash.c (collect_expansion): Trim trailing white space
5360 from macro definitions, but don't go past the last insertion
5363 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5365 * i386.md (mulqi3): New pattern.
5367 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5369 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5371 (struct cpp_reader): Add parsing_if_directive and
5372 parsing_define_directive flags.
5373 (struct cpp_options): Remove output_conditionals flag.
5374 (check_macro_name): Delete prototype.
5376 * cpphash.h (struct macrodef): Delete.
5377 (struct reflist): Separate from struct definition.
5378 (struct definition): Remove unused fields. Add column number.
5379 (create_definition): Returns a DEFINITION *. Takes a
5380 cpp_reader * and an int.
5382 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5383 (PEEKC): Copy defn from cpplib.c.
5384 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5386 (struct arglist): Simplify.
5387 (collect_expansion): Rewrite. Get tokens by calling
5388 cpp_get_token. Add more error checking.
5389 (collect_formal_parameters): New function, broken out of
5390 create_definition and reworked to use get_directive_token.
5391 (create_definition): All real work is now in collect_expansion
5392 and collect_formal_parameters. do_define handles finding the
5393 macro name. Return a DEFINITION, not a MACRODEF.
5394 (macroexpand): Replace bcopy with memcpy throughout. Replace
5395 character-at-a-time copy loop with memcpy and pointer increments.
5396 (compare-defs): d1->argnames / d2->argnames might be null.
5398 * cpplib.c (copy_rest_of_line): Delete function.
5399 (skip_rest_of_line): Do all the work ourselves.
5400 (skip_string): New function.
5401 (parse_string): Use skip_string.
5402 (get_macro_name): New function.
5403 (check_macro_name): Delete.
5404 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5405 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5406 (handle_directive): ICE if we're called on a macro buffer.
5407 (do_define): Determine macro name and type (funlike/objlike)
5408 here. Expunge all uses of MACRODEF.
5409 (cpp_push_buffer): Set line_base to NULL.
5410 (do_undef, read_line_number): Don't worry about getting a POP token.
5411 (eval_if_expression): Set/reset parsing_if_directive around
5412 cpp_parse_expr. Don't clear only_seen_white.
5413 (skip_if_group): Remove output_conditionals logic. Use
5415 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5416 tokens under appropriate conditions.
5417 (cpp_unassert): Call do_unassert not do_assert. Oops.
5419 * cppexp.c (parse_defined): New function, break out of
5421 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5422 ourselves, with cpp_defined.
5423 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5425 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5426 * gcc.dg/strpaste-2.c: New.
5428 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5430 * fold-const.c (size_binop): Don't asert inputs are the same and
5431 have TYPE_IS_SIZETYPE set.
5432 (size_diffop): Likewise.
5434 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5436 * dwarfout.c (output_block): Output abstract blocks even if they
5437 don't have TREE_ASM_WRITTEN set.
5439 * calls.c (emit_library_call): Check for null REG.
5441 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5443 * c-decl.c (current_function_decl): Move to toplev.c.
5444 (init_decl_processing): Don't add current_function_decl as a ggc
5446 * dbxout.c (dbxout_symbol): Change return type to int.
5447 (dbxout_symbol_location, dbxout_syms): Likewise.
5448 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5449 any locals. Use current_function_func_begin_label if set.
5450 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5451 * dwarf2out.c (dwarf2out_begin_prologue): Set
5452 current_function_func_begin_label.
5453 * final.c (final_start_function): Reset it.
5454 * toplev.c (current_function_decl): Define it here.
5455 (current_function_func_begin_label): New variable.
5456 (main): Add both as ggc roots.
5457 * tree.h (current_function_func_begin_label): Declare.
5459 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5461 * gcse.c: Cleanups throughout: mostly white-space, but also
5462 some minor rearrangement of code.
5464 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5466 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5467 returns a PARALLEL. Use emit_group_load and use_group_regs
5469 (emit_library_call_value): Similarly.
5471 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5472 * pa/quadlib.asm: Remove.
5473 * pa/quadlib.c: New file.
5475 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5476 * configure: Rebuilt.
5478 2000-02-29 Philip Blundell <pb@futuretv.com>
5480 * config/arm/conix-elf.h: New file.
5481 * configure.in (arm*-*-conix*): New configuration.
5482 * configure: Regenerate.
5484 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5486 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5487 don't have TREE_ASM_WRITTEN set.
5489 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5491 * Eliminate DECL_FIELD_SIZE.
5492 * builtins.c (built_in_class_names, built_in_names): New variables.
5493 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5494 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5495 DECL_SIZE, not DECL_FIELD_SIZE.
5496 * print-tree.c (print_node): Remove code that prints extra blank
5497 lines in some cases.
5498 Properly handle inline and builtin function cases.
5499 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5500 * tree.h (built_in_class_named, built_in_names): New declarations.
5501 (union tree_decl): Rename internal unions to u1 and u2 and change
5502 some of their components.
5503 Add new field built_in_class.
5504 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5505 Reflect above changes.
5506 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5507 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5508 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5509 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5511 2000-02-28 Dmitri Makarov <dim@windriver.com>
5513 * extend.texi: Document ARM's support for long/short calls.
5515 * invoke.texi: Document ARM's -mlong-calls command line switch.
5517 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5518 (arm_encode_call_attribute): Add prototype.
5519 (arm_set_default_type_attribute): Add prototype.
5520 (arm_strip_name_encoding): Add prototype.
5522 * config/arm/arm.c (arm_init_cumulative_args): replace
5523 initialisation og 'long_calls' field with initialisation of
5524 'call_cookie' field.
5525 (enum arm_pragma_enum): New enum.
5526 (arm_pragma_long_calls): New static variable.
5527 (arm_process_pragma): Also process "#pragma long_calls_off".
5528 (arm_valid_type_attribute_p): Accept short_call attribute.
5529 (arm_comp_type_attributes): Check long/short call attributes.
5530 (arm_encode_call_attribute): New function: Encode long_call
5531 or short_call attribute in function name.
5532 (arm_set_default_type_attributes): New function: Assign
5533 default attributes to newly defined type.
5534 (current_file_function_operand): New function: Return true if
5535 the symbol is a function which has already been compiled.
5536 (arm_is_longcall_p): New function: Return true if the
5537 indicated function should be called via a long call.
5538 (arm_get_strip_length): New function. Returns number of
5539 prefix characters to be stripped from a function's name.
5540 (arm_strip_name_encoding): New function. Strip prefix characters
5541 from a function's name.
5543 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5545 (SHORT_CALL_FAG_CHAR): Define.
5546 (LONG_CALL_FAG_CHAR): Define.
5547 (ENCODED_SHORT_CALL_ATTR_P): Define.
5548 (ENCODED_LONG_CALL_ATTR_P): Define.
5549 (ARM_NAME_ENCODING_LENGTHS): Define.
5550 (STRIP_NAME_ENCODING): Define.
5551 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5552 (ARM_ENCODE_CALL_TYPE): Define.
5553 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5554 (ARM_DECLARE_FUNCTION_SIZE): Define.
5555 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5557 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5558 if a long call is needed.
5559 (call_value): Ditto.
5560 (call_symbol): Ditto.
5562 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5563 ARM_DECLARE_FUNCTION_SIZE.
5565 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5566 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5567 (ARM_STRIP_NAME_ENCODING): Undefine.
5568 (STRIP_NAME_ENCODING): Undefine.
5569 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5570 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5571 (ASM_OUTPUT_COMMON): Ditto.
5572 (ASM_DECLARE_OBJECT_NAME): Ditto.
5574 * config/arm/pe.c (arm_dllexport_name_p): Check for
5576 (arm_dllimport_name_p): Ditto.
5577 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5578 (arm_mark_dllimport): Ditto.
5580 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5582 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5584 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5586 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5588 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5590 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5591 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5592 NO_BUILTIN_WCHAR_TYPE is not defined.
5593 (CPP_WCHAR_TYPE): Delete.
5594 * cccp.c (main): Don't change wchar_type if cplusplus.
5595 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5597 2000-02-28 Nick Clifton <nickc@cygnus.com>
5599 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5601 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5603 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5604 (ASM_WEAKEN_LABEL): Define.
5606 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5608 * expr.c (store_constructor): Do not emit USE.
5609 * rtl.h (stupid_life_analysis): Remove.
5611 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5613 * function.c (number_blocks): Reset next_block_index based on
5614 what debugging format is used, not what is defined.
5616 * lcm.c: Minor reformatting throughout.
5617 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5619 * toplev.c (rest_of_compilation): Account for time in
5620 optimize_mode_switching.
5622 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5623 if only marking labels.
5625 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5627 * calls.c (expand_call): Attempt to combine stack adjustments with
5628 pending stack adjustments.
5630 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5632 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5633 to the end of the function.
5635 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5637 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5639 * final.c (next_block_index): Remove.
5640 (max_block_depth): Likewise.
5641 (pending_blocks): Likewise.
5642 (init_final): Don't initialize them.
5643 (final_start_function): Don't set next_block_index. Set up
5645 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5646 * function.h (number_blocks): New function.
5647 * function.c (get_block_vector): New function.
5648 (identify_blocks): Use it.
5649 (reorder_blocks): Set NOTE_BLOCK.
5650 (number_blocks): New function.
5651 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5652 * tree.h (BLOCK_NUMBER): New macro.
5653 (tree_block): Add block_num field.
5654 * dbxout.c (next_block_number): Remove.
5655 (dbxout_init): Don't set it.
5656 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5657 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5659 * toplev.c (rest_of_compilation): Always call
5660 find_loop_tree_blocks. Fix indentation.
5661 * dwarf2out.c (next_block_number): Remove.
5662 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5663 to determine block numbers.
5664 (gen_inlined_subroutine_die): Likewise.
5665 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5666 (decls_for_scope): Don't increment next_block_number.
5667 * dwarfout.c (next_block_number): Remove.
5668 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5669 to determine block numbers.
5670 (output_inlined_subroutine_die): Likewise.
5671 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5672 (output_decls_for_scope): Don't increment next_block_number.
5673 * sdbout.c (next_block_number): Remove.
5674 (sdbout_block): Use BLOCK_NUMBER.
5675 (sdbout_begin_block): Simplify.
5676 * xcoffout.c (next_block_number): Remove.
5677 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5678 (xcoffout_begin_block): Don't set next_block_number.
5679 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5682 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5684 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5685 (expand_builtin_strcpy): Pass correct type to size_binop.
5686 (expand_builtin_strcmp): Likewise.
5687 Clean up conditional structure.
5688 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5689 (complete_array_type): Don't use size_binop for MAXINDEX.
5690 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5691 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5692 (c_alignof): Use size_one_node.
5693 (build_unary_op): Pass arg of proper type to size_binop.
5694 (really_start_incremental_init, push_init_level): Use sizetype for
5695 constructor{,_bit,_unfilled}_index.
5696 (pop_init_label, output_init_element): Likewise.
5697 (output_pending_init_elements, process_init_element): Likewise.
5698 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5699 * expr.c (store_expr): Use size_int.
5700 (store_constructor): Use proper types for size_binop args.
5701 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5702 (expand_expr_unaligned): Likewise.
5703 (string_contant): Return object of sizetype.
5704 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5705 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5706 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5707 * fold-const.c (int_const_binop): Refine when size_int is called.
5708 (fold_convert): Likewise.
5709 (size_int_wide): Rework to take KIND as arg, only take low order
5710 bits, handle new sizetype_tab datatype, and chain entries in
5712 (size_int_type_wide): New function.
5713 (size_binop): Validate types of arguments.
5714 (ssize_binop): Deleted.
5715 (size_diffop): New function.
5716 (extract_muldiv): Only fold division into multiplication for sizetypes.
5717 * function.c (assign_parms): Use size_diffop and make sure
5718 VAR field is of ssizetype; also pass proper type to size_binop.
5719 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5720 (round_down): Deleted from here.
5721 * store-layout.c (sizetype_tab): Now an array.
5722 (sizetype_set, early_root_list): New variables.
5723 (variable_size): Use size_one_node.
5724 (round_up): Pass proper type to size_binop.
5725 (round_down): Moved to here and corrected as above.
5726 (layout_record): Pass proper arg types to size_binop.
5727 (layout_type): Likewise.
5728 If sizetype_set is zero, record the type just laid out.
5729 (make_unsigned_type): Don't call set_sizetype;
5730 (make_signed_type): Likewise; also, call fixup_signed_type.
5731 (initialize_sizetypes): New function.
5732 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5733 set name of bitsizetype to "bit_size_type".
5734 Fix up type of sizes of all types made before call.
5735 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5736 * tree.c (fix_sizetype): Deleted.
5737 (build_common_tree_nodes): Call initialize_sizetypes.
5738 (build_common_tree_nodes_2): Don't call fix_sizetype.
5739 * tree.h (TYPE_IS_SIZETYPE): New macro.
5740 (initialize_sizetype): New declaration.
5741 (enum size_type_kind): New type.
5742 (struct sizetype_tab): Deleted.
5743 (sizetype_tab): Now array; adjust sizetype macros.
5744 (size_diffop, size_int_type_wide): New functions.
5745 (size_int_wide): Change number of args and type; access macros changed.
5746 (ssize_int, sbitsize_int): New macros.
5747 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5748 (ROUND_TYPE_SIZE_UNIT): New macro.
5750 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5752 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5754 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5756 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5757 Mark as possibly unused.
5759 * cse.c (cse_insn): Delete dead code involving tablejump.
5760 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5762 * Makefile.in (libcpp.a): Start by deleting it.
5764 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5766 * cpplib.h (enum file_change_code): Added rename_file.
5767 * cpplib.c (do_line): If a filename is given, set file_change to
5769 (output_line_command): If file_change is rename_file, always
5770 output a # directive with the file name.
5772 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5774 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5776 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5777 when copying a PARM_DECL or RESULT_DECL.
5779 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5781 * fix-header.c (recognized_function): Also fix prototypes for
5782 functions taking "void".
5784 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5786 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5787 looking at reg_reloaded_contents.
5789 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5791 * Makefile.in (STMP_FIXINC): New toggle.
5792 (LIBGCC2_DEPS): Delete all references.
5793 (stmp-headers): Delete target. All references either deleted
5794 or changed to stmp-int-headers.
5795 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5796 (LIBCPP_OBJS): Take out cppalloc.o.
5797 (cppalloc.o): Delete target.
5798 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5799 (gen-protos, fix-header): Link with libiberty.a.
5800 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5803 * configure.in: Remove refs to strerror.
5804 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5805 * system.h: Take out strerror stanza.
5807 * cpperror.c (my_strerror): Delete function.
5808 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5809 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5810 * cppalloc.c: Delete file.
5811 * gen-protos.c: Don't provide xrealloc.
5813 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5814 xstrerror throughout.
5816 2000-02-26 Bruce Korb <bkorb@gnu.org>
5818 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5819 match for DOS headers, too.
5820 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5822 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5824 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5825 is right for most ELF targets.
5826 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5827 Let the default file use %U properly.
5828 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5831 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5834 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5836 * toplev.c (documented_lang_options): Correct spelling error.
5837 (decode_d_option, decode_f_option, main): Likewise.
5839 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5841 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5842 to tell assembler it is permitted to expand large constants.
5844 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5846 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5847 (aux_info_suffix): Use.
5848 (SAVE_SUFFIX): New macro.
5850 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5851 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5852 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5854 * invoke.texi (Running Protoize): Update documentation.
5856 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5858 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5860 2000-02-25 John Wehle (john@feith.com)
5862 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5864 2000-02-25 Anthony Green <green@cygnus.com>
5866 * toplev.c (rest_of_compilation): Rebuild jump labels if
5867 combine_instructions has created a new direct jump.
5868 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
5870 (combine_instructions): Call try_combine with new argument.
5871 Return non-null value when new direct jump instruction is created.
5872 * rtl.h: combine_instructions returns an int.
5874 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
5876 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
5877 jump when changing a computed jump into a jump to a known
5880 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
5882 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
5883 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
5885 * i386.md (define_expand "clrstrsi"): Fix typo.
5887 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
5889 * rtl.texi: Fix typo.
5891 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5893 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
5894 UNITS_PER_WORD. Change caller initial_elimination_offset.
5895 (rounded_frame_size): Take into account that argument pushed has
5896 changed. Fix TARGET_ALIGN_DOUBLE problem.
5898 2000-02-25 Geoff Keating <geoffk@cygnus.com>
5900 * haifa-sched.c (schedule_block): Explain the real reason
5901 we delete REG_SAVE_NOTEs on the first insn of a block.
5902 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
5904 2000-02-24 Mark Mitchell <mark@codesourcery.com>
5906 * input.h (push_srcloc): New function.
5907 (pop_srcloc): Likewise.
5908 * toplev.c (push_srcloc): Define it.
5909 (pop_srcloc): Likewise.
5911 2000-02-24 Richard Henderson <rth@cygnus.com>
5913 * flow.c (life_analysis): When collecting reg info, clear
5916 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5918 Fix bug exposed by reload.c no longer rounding the frame
5919 size to BIGGEST_ALIGNMENT:
5920 * sh.c (rounded_frame_size): New function.
5921 (sh_expand_prologue, sh_expand_epilogue): Use it.
5922 (initial_elimination_offset): Likewise.
5924 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5926 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
5927 * sh-protos.h (sh_need_epilogue): Declare.
5928 * sh.c (sh_need_epilogue_known): New static variable.
5929 (sh_need_epilogue): New function.
5930 (function_epilogue): Clear need_epilogue_known.
5931 * sh.md (return): Split into expander / insn pattern.
5932 Make the expander conditional on ! sh_need_epilogue ().
5934 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
5936 * machmode.h (get_mode_alignment): Declare.
5937 (GET_MODE_ALIGNMENT): Call it.
5938 * stor-layout.c (get_mode_alignment): New function. Make
5939 sure alignment is always power of 2.
5941 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5943 * i386.h: Remove useless definition of "I386" and misleading
5946 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5948 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
5949 under which TREE_PERMANENT will be set.
5950 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
5951 build1): Use TREE_SET_PERMANENT.
5952 * print-tree.c (print_node): Don't report value of
5953 TREE_PERMANENT if ggc_p is true.
5955 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
5956 decide whether to give a type a new alias set.
5957 * objc/objc-act.c (build_objc_string_object): Never copy the string.
5958 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
5959 of value of 'obstack'.
5962 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5964 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
5966 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5968 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
5969 * cpplib.c (cpp_get_token): Produce them.
5970 * cppexp.c (cpp_lex): Handle them.
5972 2000-02-23 Nick Clifton <nickc@cygnus.com>
5974 * config/arm/arm.c (arm_comp_type_attributes): Simply and
5975 comment tests on type attributes.
5977 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5979 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
5980 conform to documentation.
5981 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
5982 to check for special cases.
5983 * sh-protos.h (sh_loop_align): Declare.
5984 * sh.c (sh_loop_align): Define.
5986 2000-02-22 Andrew Haley <aph@cygnus.com>
5988 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
5989 (SIZE_TYPE): Is 32 bits when using -mgp32.
5990 (PTRDIFF_TYPE): Ditto.
5992 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5994 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
5996 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5998 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
5999 BIGGEST_FIELD_ALIGNMENT a constant.
6001 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6003 * dwarf2out.c (output_line_info): Put the marker for the end of
6004 the line number info at the actual end.
6005 (gen_struct_or_union_type_die): Use decl_function_context
6006 to check for local classes.
6007 * dwarfout.c (output_type): Likewise.
6009 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6011 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6012 for arguments with a mode, but no type.
6013 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6014 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6015 * pa/long_double.h: New file.
6016 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6017 both have 128bit wide long doubles.
6018 * configure: Rebuilt.
6020 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6022 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6024 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6025 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6026 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6028 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6030 * integrate.c (compare_blocks, find_block): Likewise.
6032 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6034 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6036 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6037 expand_asm_operands): Likewise.
6039 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6041 * predict.c (estimate_probability): Added the pointer heuristic to
6042 the collection of static branch predictors.
6044 2000-02-21 Catherine Moore <clm@cygnus.com>
6046 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6047 * invoke.texi (-mfix7000): Document.
6049 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6051 * diagnostic.c (init_output_buffer): Make it possible to output at
6052 least 32 characters if we're given a too long prefix.
6054 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6056 * varasm.c (initializer_constant_valid_p): Call
6057 lang_expand_constant to simplify the constant.
6059 2000-02-20 Bruce Korb <bkorb@gnu.org>
6061 * fixinc/inclhack.def(stdio_va_list):
6062 typedef needs to be disabled.
6063 * fixinc/inclhack.sh: regen
6064 * fixinc/fixincl.x: regen
6066 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6068 * print-rtl.c (print_rtx): Don't print addresses when
6069 flag_dump_unnumbered.
6071 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6073 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6075 (sparc_va_arg, sparc_flat_output_function_prologue,
6076 sparc_flat_output_function_epilogue): Cast value to unsigned in
6078 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6080 * sparc.md: Add default case in switch.
6082 2000-02-19 Richard Henderson <rth@cygnus.com>
6084 * c-typeck.c (add_pending_init): Don't abort for multiple
6085 fields at the same offset.
6086 (pending_init_member): Test the correct member.
6088 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6090 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6092 (start_catch_handler) : Same.
6094 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6096 * Makefile.in: Have flow.o depend on $(EXPR_H)
6098 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6100 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6101 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6102 (finish_decl): Remove -Wlarger-than code from here.
6103 * flags.h (id_clash_len): Now int.
6104 (larger_than_size): Now HOST_WIDE_INT.
6105 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6106 Clean up checking to see if in table.
6107 (make_bit_field_ref): Remove extra parm to bitsize_int.
6108 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6109 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6110 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6111 and for computing size of decl.
6112 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6113 Move -Wlarger-than code to here.
6114 (layout_record): Remove extra arg to bitsize_int.
6115 Set TYPE_BINFO_SIZE_UNIT.
6116 (layout_union): Remove extra arg to bitsize_int.
6117 Use proper type for size of QUAL_UNION.
6118 (layout_type): Remove extra arg to bitsize_int.
6119 * toplev.c (id_clash_len): Now int.
6120 (larger_than_size): Now HOST_WIDE_INT.
6121 (decode_W_option): Clean up id-clash and larger-than- cases.
6122 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6123 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6124 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6125 (struct tree_decl): New field size_unit.
6126 (size_int_wide): No HIGH operand; NUMBER is now signed.
6127 (size_int_2): Deleted.
6128 (size_int, bitsize_int): Don't use it and rework args.
6129 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6131 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6133 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6135 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6137 * invoke.texi (Warning Options): Add an explanation of why
6138 you might want the -Wfloat-equal flag.
6140 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6142 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6143 * cppinit.c (new_pending_define): Add cast to avoid warning.
6144 * expmed.c (extract_bit_field): Likewise.
6145 * flow.c (enum reorder_skip_type): New type.
6146 (skip_insns_between_blcok): New it.
6147 Rework to avoid warning about possibly undefined variable.
6148 * function.c (assign_parms): Make thisparm_boundary unsigned.
6149 * genrecog.c (write_switch): Cast XWINT result to int.
6150 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6151 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6152 one for MIPS and one for Alpha.
6153 (get_tag, copy_object): Add casts to avoid warnings.
6154 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6155 * reload.c (find_reloads): Make TYPE enum reload_type.
6156 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6157 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6158 * varasm.c (compare_constant_1): Add cast to avoid warning.
6159 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6161 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6162 Cast switch operand of size to int.
6163 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6164 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6167 2000-02-18 Nick Clifton <nickc@cygnus.com>
6169 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6170 anything for an alignment of zero.
6172 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6173 anything for an alignment of zero.
6175 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6177 * gcc.texi (Bug Reporting): Refer to bugs.html.
6178 (Bug Lists): Likewise.
6179 * system.h (GCCBUGURL): New preprocessor define.
6180 * rtl.c (fancy_abort): Use it.
6181 * gcc.c (main): Likewise.
6183 2000-02-18 Richard Henderson <rth@cygnus.com>
6185 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6186 (life_analysis_1): Subsume into ...
6187 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6188 Use update_life_info for the relaxation.
6189 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6190 entry and regs_live_at_setjmp.
6191 (set_noop_p): Simplify.
6192 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6193 (record_volatile_insns): Split into ...
6194 (delete_noop_moves): ... here,
6195 (notice_stack_pointer_modification): ... here,
6196 (insn_dead_p): ... and here.
6197 (propagate_block): Don't query INSN_VOLATILE.
6198 (mark_used_regs): Mind !PROP_REG_INFO.
6199 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6200 not in life_analysis.
6202 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6204 * loop.c (canonicalize_condition): New function,
6205 broken out of get_condition.
6206 (get_condition): Use it.
6207 * expr.h (canonicalize_condition): Prototype it.
6209 * tree.h (tree_int_cst_msb): Declare.
6210 * tree.c (tree_int_cst_msb): New function.
6212 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6214 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6217 * invoke.texi (-fmessage-length=n): Document.
6219 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6221 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6223 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6225 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6228 2000-02-17 Nick Clifton <nickc@cygnus.com>
6230 * config/arm/thumb.c: Replace includes of system headers with
6231 #include "system.h".
6233 2000-02-16 Richard Henderson <rth@cygnus.com>
6235 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6236 Add crtbeginS.o and crtendS.o.
6237 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6238 (ENDFILE_SPEC): Use crtendS.o.
6239 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6241 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6242 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6244 (__dso_handle): New variable.
6245 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6246 bias to __CTOR_END__.
6248 2000-02-16 Richard Henderson <rth@cygnus.com>
6250 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6252 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6254 * longlong.h (__clz_tab): Declare as static to match definition.
6256 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6257 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6258 (XREF_FILE_NAME): Define.
6260 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6261 (EH_FRAME_SECTION_ASM_OP): Define.
6262 (IDENT_ASM_OP): Define.
6263 (TEXT_SECTION_ASM_OP): Define.
6265 (CTORS_SECTION_ASM_OP): Define.
6266 (CTOR_SECTION_FUNCTION): Use it.
6267 (DTORS_SECTION_ASM_OP): Define.
6268 (DTOR_SECTION_FUNCTION): Use it.
6270 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6272 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6275 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6276 debug_bb_n): New functions.
6277 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6278 * basic-block.h: Prototype new functions.
6280 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6282 * configure.in: Add support for avr target.
6283 * configure: Rebuilt.
6285 * invoke.texi: Add AVR invocation docs.
6286 * install.texi: Add information about AVR.
6287 * md.texi: Add AVR constraint letters description.
6288 * extend.texi: Add description for AVR specific attributes.
6290 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6292 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6294 2000-02-16 Nick Clifton <nickc@cygnus.com>
6296 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6297 (make_insn_raw): Move RTL check here.
6299 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6301 * version.c: Include gansidecl.h and version.h.
6303 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6305 * configure.in (gcc_version): When setting, narrow search to
6306 lines containing `version_string'.
6308 * Makefile.in (mainversion): Likewise.
6309 (GCC_H): New variable.
6310 (gcc.h): Delete target.
6311 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6312 (version.o): Depend on version.h.
6313 (dbxout.o): Don't depend on gcc.h.
6315 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6316 Michael Meissner <meissner@cygnus.com>
6318 * md.texi (Simple Constraints): Add item about whitespace.
6319 * genoutput.c (strip_whitespace): New.
6320 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6321 strip_whitespace for constraints.
6322 Test pointer using NULL, not 0.
6324 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6326 * cpplib.c (do_line): Pedwarn for #line > 32767.
6328 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6330 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6332 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6333 to default cpp spec.
6334 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6335 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6338 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6341 2000-02-15 Denis Chertykov <denisc@overta.ru>
6343 * configure.in: Add support for avr target.
6345 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6347 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6348 (sh_addr_diff_vec_mode): Don't declare.
6349 * sh.c (sh_addr_diff_vec_mode): Delete.
6351 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6353 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6355 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6357 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6358 (smulsi3_highpart_i): Name.
6359 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6360 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6361 (smulsi3_highpart, umulsi3_highpart): Likewise.
6363 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6364 correctly independent of endianness.
6365 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6366 confuse the optimizers.
6367 (mulsidi3+1, umulsidi3+1): New define_split.
6369 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6371 * config/sh/sh.md: Guard insn splits against illegal registers.
6372 * config/sh/sh.h: Correct comment about macros.
6374 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6375 Andrew MacLeod <amacleod@cygnus.com>
6377 * Makefile.in (lcm.o): Depend on insn-attr.h.
6378 * basic-block.h (optimize_mode_switching): Declare.
6379 * lcm.c (tm_p.h, insn-attr.h): #include.
6380 (seginfo, bb_info): New structs.
6381 (antic, transp, comp, delete, insert) : New file-scope static variables.
6382 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6383 (reg_becomes_live, optimize_mode_switching): Likewise.
6384 * tm.texi: Add description of mode switching macros.
6385 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6387 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6388 (fldi_ok, fpscr_set_from_mem): New prototypes.
6389 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6390 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6391 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6392 (sh_flag_remove_dead_before_cse): Remove declaration.
6393 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6394 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6395 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6396 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6397 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6398 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6399 (fldi_ok): New function.
6400 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6401 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6402 (emit_df_insn): Likewise.
6403 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6404 (sh_flag_remove_dead_before_cse): Delete.
6405 (get_free_reg, fpscr_set_from_mem): New functions.
6406 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6407 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6409 2000-02-15 Loren Rittle <ljrittle@acm.org>
6411 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6413 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6415 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6416 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6418 * cccp.c: Include version.h and/or don't declare `version_string'.
6419 * collect2.c: Likewise.
6420 * alpha.c: Likewise.
6421 * arm/aof.h: Likewise.
6422 * arm/coff.h: Likewise.
6423 * arm/elf.h: Likewise.
6424 * arm/pe.h: Likewise.
6425 * arm/tcoff.h: Likewise.
6426 * arm/telf.h: Likewise.
6427 * arm/tpe.h: Likewise.
6428 * arm/vxarm.h: Likewise.
6429 * convex/convex.c: Likewise.
6430 * i386/dgux.c: Likewise.
6431 * i386/sun386.h: Likewise.
6432 * m88k/m88k.c: Likewise.
6433 * mcore/mcore-pe.h: Likewise.
6434 * mips/mips.h: Likewise.
6435 * romp/romp.h: Likewise.
6436 * sh/sh.c: Likewise.
6437 * cpphash.c: Likewise.
6438 * cppinit.c: Likewise.
6439 * dwarf2out.c: Likewise.
6440 * dwarfout.c: Likewise.
6443 * mips-tfile.c: Likewise.
6444 * protoize.c: Likewise.
6445 * toplev.c: Likewise.
6448 * version.c (version_string): Constify a char*.
6450 * version.h: New file.
6452 2000-02-14 Nick Clifton <nickc@cygnus.com>
6454 * configure.in: Add mcore-elf and mcore-pe targets.
6455 * configure: Regenerate.
6457 * NEWS: Add note that MCore port has been contributed.
6459 * invoke.texi: Document command line switches for MCore port.
6460 * install.texi: Add MCore to list of supported targets.
6462 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6464 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6465 then we will need to import the frame handling functions.
6466 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6467 to import the frames themselves.
6469 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6470 Jason Eckhardt <jle@cygnus.com>
6472 * basic_block.h: Added prototype for reorder_basic_blocks.
6473 * toplev.c: Changes to add -freorder-blocks and graph dump after
6474 block reordering is done.
6475 * flow.c (reorder_block_def): New structure for use during block
6477 (REORDER_BLOCK_*): New macros to access members of above structure.
6478 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6479 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6480 functions for block reordering.
6482 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6484 * gcc.texi (Passes): Fix typo.
6485 * md.texi (Standard Names): Ditto.
6486 * tm.texi (Storage Layout): Ditto.
6488 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6490 * cpplib.c (do_define): Only free the old definition if it
6493 2000-02-13 Neil Booth <NeilB@earthling.net>
6495 * cppfiles.c (read_and_prescan): When emitting deferred
6496 newlines, test speccase[] again instead of checking each
6497 possible whitespace character in turn. When we encounter \r,
6498 look behind for \n first, then ahead.
6500 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6502 * cse.c (cse_altered): New internal flag.
6503 (cse_insn): Set it if we changed an insn.
6504 (cse_main): Clear cse_altered before each basic block.
6505 Only garbage collect if cse_altered is true afterward.
6507 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6509 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6511 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6513 * combine.c (simplify_comparison): Fix typo.
6515 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6517 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6520 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6522 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6523 previously inserted node instead of root node. Caller changed.
6525 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6527 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6529 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6531 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6532 __dereg_frame_dtor): Add prototype argument.
6534 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6536 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6538 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6540 * gthr-vxworks.h (__gthread_once): Likewise.
6542 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6544 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6546 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6547 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6548 stack pointer in functions w/o saved registers, output LEAVE more often
6549 on TARGET_USE_LEAVE machines.
6551 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6553 * config/arm/arm.c (arm_init_cumulative_args); New function:
6554 Initlaise the CUMULATIE_ARGS strcuture for a function
6556 (arm_function_arg): New function: Determine where to place a
6557 function's argument. Also handles deciding the function's
6559 (current_file_function_operand): New function: Return true if
6560 the symbol is a function which has already been compiled.
6561 (arm_is_long_call_p): New function: Return true if the
6562 indicated function should be called via a long call.
6563 (arm_valid_type_attribute_p): New function: Return true if the
6564 attribute is a valid, arm specific, attribute.
6565 (arm_comp_type_attribute): New function: Return true if the
6566 two types have compatable, arm specific, attributes.
6568 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6570 (FUNCTION_ARG): Redefine to call arm_function_arg.
6571 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6573 (INIT_CUMULATIVE_ARGS): Redefine to call
6574 arm_init_cumulative_args.
6575 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6577 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6579 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6581 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6582 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6583 (COMP_TYPE_ATTRIBUTES): Define.
6585 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6586 if a long call is needed.
6587 (call_value): Call arm_is_long_call_p to decide if a long call
6589 (call_symbol): Call arm_is_long_call_p to decide if a long call
6592 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6594 2000-02-11 Denis Chertykov <denisc@overta.ru>
6596 * README.AVR: New file with information about the avr ports.
6597 * config/avr: New directory with avr port files.
6599 2000-02-11 Andreas Jaeger <aj@suse.de>
6601 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6603 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6605 * cpphash.c: Fix formatting, update commentary.
6606 (dump_definition): Take three separate arguments instead of a
6607 MACRODEF structure argument.
6608 * cpphash.h: Update prototype of dump_definition.
6609 * cppinit.c (cpp_finish): Update call of dump_definition.
6611 * cpplib.c (do_define): Always create new hash entry with
6612 T_MACRO type. Remove redundant check for redefinition of
6613 poisoned identifier. Update call of dump_definition.
6614 (do_undef): Don't call check_macro_name. Rename sym_length to
6616 (do_error, do_warning): Don't use copy_rest_of_line or
6618 (do_warning): Don't use pedwarn for the actual warning,
6619 only the notice about its not being in the standard. (Fixes
6620 bug with #warning in system headers.)
6621 (do_ident): Stricter argument checking - accept only a single
6622 string after #ident. Also, macro-expand the line.
6623 (do_xifdef): Use cpp_defined. De-obfuscate.
6625 (do_pragma): Split out specific pragma handling to separate
6626 functions. Use get_directive_token. Update commentary. Do
6627 not pass on #pragma once or #pragma poison to the front end.
6628 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6629 do_pragma_default): New.
6631 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6633 * jump.c (jump_optimize_1): The first operand in a relational
6635 * optabs.c (emit_conditional_move): Handle relationals which
6636 have a known true/false result.
6638 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6640 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6641 a RETURN insn into a block which already ends with a jump.
6643 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6645 * haifa-sched.c (BUF_LEN): Increase a lot.
6647 2000-02-11 Nick Clifton <nickc@cygnus.com>
6649 * configure.in: Add tm_p_file specification for thumb targets.
6650 * configure: Regenerate.
6652 * config/arm/thumb-protos.h: New file: Prototypes for exported
6653 functions defined in thumb.c.
6655 2000-02-11 Robert Lipe <robertl@sco.com>
6657 * Makefile.in (bootstrap-lean): Remove additional files.
6658 (bootstrap2-lean): Likewise.
6659 (VOL_FILES): List of files for above.
6661 2000-02-11 Nathan Sidwell <nathan@acm.org>
6663 * cpphash.c (special_symbol): Remove spurious argument to
6666 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6668 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6670 * configure: Rebuilt.
6672 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6674 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6676 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6678 * pa.c, pa.h: Remove trigraph sequences within comments.
6680 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6682 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6684 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6686 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6688 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6690 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6692 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6694 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6695 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6696 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6697 (ASM_FILE_END): Use c4x_file_end.
6698 * config/c4x/c4x.c (c4x_global_label): New function.
6699 (c4x_external_ref, c4x_file_end): Likewise.
6701 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6702 (c4x_external_ref, c4x_end_file): Likewise.
6704 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6706 * cppexp.c: Don't include cpphash.h.
6707 (parse_charconst, cpp_lex): Use cpp_defined.
6708 (cpp_lex): Use get_directive_token throughout. Remove
6709 unnecessary cases from switch. Move assertion-handling code
6711 (cpp_parse_expr): If we see '+' or '-', check the context to
6712 determine if they are unary or binary operators. Streamline
6713 the jumps a bit. Do not call skip_rest_of_line.
6715 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6716 static. Export get_directive_token. Update commentary.
6717 (cpp_defined): New function.
6718 (do_define): Remove reference to T_PCSTRING. Call
6719 free_definition to release memory for old definition, when
6721 (eval_if_expression): Set only_seen_white to 0 before calling
6722 cpp_parse_expr. Call skip_rest_of_line after it returns.
6723 (cpp_read_check_assertion): Don't preserve a pointer into the
6724 token buffer across a call to cpp_get_token.
6726 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6727 * cppfiles.c (redundant_include_p): Use cpp_defined.
6728 * cpphash.c (free_definition): New function.
6729 (delete_macro): Use it. Update commentary.
6730 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6732 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6733 from enum node_type. Prototype cpp_defined and get_directive_token.
6734 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6736 * fix-header.c (check_macro_names): Use cpp_defined.
6737 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6738 the options structure.
6740 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6742 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6744 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6746 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6747 rather than die->die_tag.
6749 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6751 * combine.c (make_extraction, force_to_mode): Avoid warning on
6752 mixed-signedness conditionals.
6753 (make_field_assignment, nonzero_bits): Likewise.
6754 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6755 (store_split_bit_field, extract_split_bit_field): Likewise.
6756 (extract_fixed_bit_field, store_bit_field,
6757 * expr.c: Change alignment to be unsigned everywhere.
6758 (move_by_pieces, store_constructor_field, store_constructor):
6759 Alignment parm is unsigned.
6760 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6761 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6762 (do_compare_rtx_and_jump): Likewise.
6763 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6764 Compare align with GET_MODE_ALIGNMENT.
6765 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6766 (get_inner_reference): Likewise.
6767 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6768 (expand_assignment): Local vars for alignment now unsigned.
6769 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6770 (do_compare_and_jump): Likewise.
6771 (store_field): Call new function expr_align.
6772 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6773 Alignment arg now unsigned.
6774 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6775 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6776 (extract_bit_field): Likewise.
6777 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6778 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6779 (get_best_mode): Alignment arg is unsigned.
6780 * rtl.h (move_by_pieces): Likewise.
6781 * store-layout.c (maximum_field_alignment, set_alignment):
6783 (layout_decl): Alignment arg is now unsigned.
6784 Remove unneeded casts.
6785 (layout_record, layout_union, layout_type): Remove unneeded casts.
6786 Local alignment variables now unsigned.
6787 (get_best_mode): Alignment arg now unsigned.
6788 * tree.c (expr_align): New function.
6789 * tree.h (expr_align): Likewise.
6790 (maximum_field_alignment, set_alignment): Now unsigned.
6791 (get_inner_reference): Alignment argument is now pointer to unsigned.
6792 * varasm.c (assemble_variable): Add cast to eliminate warning.
6794 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6796 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6797 then store directly into op0.
6799 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6800 the CALL_INSN, and emit the note immediately after it.
6802 2000-02-10 Nick Clifton <nickc@cygnus.com>
6804 * config/arm/thumb.md (epilogue): Include a (return) in the
6805 generated insn, and emit it using emit_jump_insn not
6808 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6810 * function.c (assign_temp): Change zero-sized arrays to size 1.
6811 * integrate.c (expand_inline_function): Do not update
6812 stack_alignment_needed
6813 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6814 add some sanity checking, remove optimization for function with
6817 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6819 * flow.c (mark_regs_live_at_end): Delete unused variables.
6821 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6823 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6824 in macro FRAME_GROWS_DOWNWARD.
6826 * stmt.c (expand_end_bindings): Delete unused variable.
6828 * unroll.c (iteration_info): Mark parameter `loop' with
6831 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6833 * fixinc/server.c (load_data): Return NULL if the marker line is
6835 (run_shell): If load_data returns NULL, retry the command once, in
6838 * configure: Rebuilt.
6840 2000-02-09 Bruce Korb <bkorb@gnu.org>
6842 * gcc/fixincludes: ** DELETED **
6843 * gcc/fixcpp: ** DELETED **
6844 * gcc/fixinc-nt.sed: ** DELETED **
6845 * gcc/just-fixinc: ** DELETED **
6846 * gcc/Makefile.in: Removed out-dated commentary
6847 * gcc/configure.in: Removed fast-fixincludes disablement.
6848 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6850 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6851 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6854 2000-02-09 Richard Henderson <rth@cygnus.com>
6856 * jump.c (delete_insn): Don't delete user labels at -O0.
6858 2000-02-09 Robert Lipe <robertl@sco.com>
6860 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6861 Don't link with HOST_LIBS.
6863 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6865 * configure.in: Correct --help text for --with-dwarf2.
6866 Put tm-dwarf2.h after other tm files, if it's requested.
6867 * configure: Regenerate.
6868 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
6871 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6873 * cpplib.h: Provide HASHNODE typedef and forward decl of
6874 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
6875 DEFINITION, struct hashnode, struct macrodef, struct
6876 definition, scan_decls prototype, default defn of
6877 INCLUDE_LEN_FUDGE moved elsewhere.
6879 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
6880 definition, and struct hashnode moved here. Remove the unused
6881 'predefined' field from struct definition. Replace the 'args'
6882 union with its sole member. All users updated (cpphash.c).
6883 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
6884 multiple include guard.
6886 * cpphash.c (hashf): Make static; use better algorithm; drop
6887 HASHSIZE parameter; return an unsigned int.
6888 (cpp_lookup): Drop HASH parameter. PFILE parameter is
6889 used. Calculate HASHSIZE modulus here.
6890 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
6892 (create_definition): Drop PREDEFINITION parameter.
6893 * cpplib.c (do_define): Don't calculate a hash value here.
6894 Don't pass (keyword == NULL) to create_definition.
6896 * scan.h: Prototype scan_decls here.
6897 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
6898 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
6899 callers of cpp_lookup and cpp_install updated.
6901 * cpphash.c (macarg): Hoist all the flag diddling out of the
6903 (macroexpand): ... and out of the loop that calls macarg.
6904 Skip over the initial paren before macro arguments with
6905 cpp_get_non_space_token; point may be some distance before
6906 that paren. Abort if it's not there.
6908 * cpplib.c (parse_clear_mark): Delete function.
6909 (parse_set_mark, parse_goto_mark): Make static.
6910 (ACTIVE_MARK_P): New macro.
6911 (skip_block_comment, skip_line_comment): Do not bump the line
6912 if ACTIVE_MARK_P is true.
6913 (cpp_pop_buffer): The buffer to be popped may not have an
6915 (cpp_get_token): When looking for the initial paren before
6916 macro arguments, only set a mark in a file buffer, Always
6917 return to that mark before proceeding to call macroexpand or
6918 return a NAME token.
6920 * cpplib.h: Remove prototypes of parse_set_mark,
6921 parse_clear_mark, parse_goto_mark.
6922 (struct cpp_options): Rename 'put_out_comments' to
6923 'discard_comments' and invert its sense.
6924 * cppinit.c, cpphash.c, cpplib.c: All users of
6925 put_out_comments changed to use discard_comments, with
6928 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6930 * function.c (thread_prologue_and_epilogue_insns): Don't delete
6931 the edge from a block that both jumps and falls through to the
6934 2000-02-09 Scott Bambrough <scottb@netwinder.org>
6936 * config/arm/arm.md (movsi): In PIC mode, make sure that a
6937 constant source address is legitimate.
6939 2000-02-09 Philip Blundell <pb@futuretv.com>
6941 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
6944 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
6946 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
6948 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6950 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
6951 ends with a newline and a NUL. Don't be so clever manipulating
6954 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
6956 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
6957 not to BIGGEST_ALIGNMENT.
6959 2000-02-08 Geoff Keating <geoffk@cygnus.com>
6961 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
6962 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
6963 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
6964 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
6965 * frame.c (execute_cfa_insn): Handle
6966 DW_CFA_GNU_negative_offset_extended.
6968 2000-02-08 Richard Henderson <rth@cygnus.com>
6970 * flow.c (tidy_fallthru_edges): Split out from ...
6971 (delete_unreachable_blocks): ... here.
6972 (find_basic_blocks): Use it.
6974 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6976 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
6978 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
6980 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
6981 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
6982 (fix-header.o): Don't depend on cpphash.h.
6984 * scan.c (hashstr): New function.
6985 * scan.h: Prototype it.
6986 * fix-header.c: Don't include cpphash.h. Use hashstr.
6987 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
6988 hashstr. Report hash table statistics. Add private
6989 definition of xrealloc.
6991 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6993 * i386.h (TARGET_SWITCHES): Fix typo in option name.
6995 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
6997 * function.c (thread_prologue_and_epilogue_insns): Don't replace
6998 jumps with returns unless they are jumps to the fallthru block.
7000 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7002 * i386.md (addqi3_cc): Fix contraints.
7004 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7006 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7008 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7010 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7011 carriage return after a macro name.
7013 2000-02-07 Fred Fish <fnf@be.com>
7015 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7016 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7018 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7020 * cppfiles.c (deps_output): Count spacers in deps_column.
7022 2000-02-07 Neil Booth <NeilB@earthling.net>
7024 * cppinit.c (initialize_dependency_output): If there is no
7025 suffix, don't try to look for known suffixes. Use strrchr.
7026 (cpp_start_read): Remove duplicate initialization.
7028 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7030 * calls.c (compute_argument_block_size): New argument
7031 preferred_stack_boundary.
7032 (expand_call): update cfun->preferred_stack_boundary, update call of
7033 compute_argument_block_size
7034 (emit_library_call): Increate cfun->preferred_stack_boundary
7035 to PREFERRED_STACK_BOUNDARY
7036 (emit_library_call_value): Likewise.
7037 * explow.c (allocate_dynamic_stack_spave): Likewise.
7038 * function.c (prepare_function_start): Set
7039 cfun->preferred_stack_boundary
7040 * function.h (struct function): Add preferred_stack_boundary field.
7041 * integrate.c (expand_inline_function): Update
7042 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7043 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7044 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7046 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7048 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7049 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7050 cpp_pedwarn, cpp_pedwarn_with_line,
7051 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7052 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7053 v_cpp_error_with_line, v_cpp_warning_with_line,
7054 cpp_message_from_errno, cpp_perror_with_name): Delete.
7056 * cpperror.c (cpp_print_containing_files): Take starting
7058 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7059 (v_cpp_message): Now called directly by all entry points.
7061 (cpp_pfatal_with_name, cpp_message): Delete.
7062 (cpp_notice_from_errno, cpp_ice): New functions.
7063 (cpp_notice): Is now for reporting error conditions, just
7064 without an associated file.
7065 (cpp_error, cpp_error_with_line): Don't do anything if
7066 opts->inhibit_errors is on.
7067 (cpp_pedwarn_with_file_and_line): Take column argument also.
7069 * cpplib.h: Update prototypes of exported functions.
7070 (struct cpp_options): Add inhibit_errors.
7072 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7073 non-error messages. Include intl.h.
7075 * cppinit.c, cppmain.c: Likewise. Also, use
7076 cpp_notice_from_errno instead of cpp_perror_with_name or
7077 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7079 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7080 report internal errors.
7082 * cpplib.c (do_define): Switch bcopy to memcpy.
7083 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7085 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7086 bail out early if we hit a line comment.
7088 2000-02-06 Richard Henderson <rth@cygnus.com>
7090 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7091 * basic-block.h: Declare them.
7092 * emit-rtl.h (active_insn_p): New.
7093 (next_active_insn, prev_active_insn): Use it.
7094 * rtl.h: Declare it.
7095 * function.c (emit_return_into_block): New.
7096 (thread_prologue_and_epilogue_insns): Insert return insns instead
7097 of epilogues when possible.
7098 * jump.c (jump_optimize_1): Remove code to insert a return insn
7099 on the fallthru to the exit block.
7101 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7102 and for non-empty stack frames.
7103 * i386.md (return): Expand to return-pop as needed.
7105 2000-02-06 Richard Henderson <rth@cygnus.com>
7107 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7108 constant to op1 for testing.
7110 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7112 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7113 (fixuns_truncqfqi2): Use it.
7115 2000-02-06 Richard Henderson <rth@cygnus.com>
7117 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7120 * i386.md (widening and peepholes): Mask the constant instead of
7123 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7125 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7126 input pointer before possibly branching off to the backslash
7128 * cpphash.c (macroexpand): Correctly delete \r escapes when
7129 stringifying parameters.
7130 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7131 if we can; bail out early if we hit a line comment.
7132 (handle_directive): Treat '# 123' in an .S file just like
7133 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7134 Return 1 for '# not_a_directive'.
7135 (get_directive_token): Pop macro buffers here, so that
7136 cpp_get_token can't sneakily move past a newline.
7138 (cpp_get_token): goto randomchar if handle_directive returns 0.
7140 * cppalloc.c: Update copyright.
7141 * cpplib.c: Merge all the static function prototypes into one
7143 * cpplib.h: Remove #if 0 block.
7145 * cpperror.c: Remove #ifdef EMACS block.
7146 * cppmain.c: Likewise.
7147 * cpphash.c: Remove #if 0 blocks.
7148 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7149 * cpplib.c: Remove #if 0 blocks and code referencing
7150 pcp_inside_if or for_lint. Remove duplicate error message.
7151 Fix error messages for #else after #else or #elif. Reformat.
7152 Remove archaic TODO list.
7153 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7155 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7157 * i386/osf1elf.h: Add missing backslash to multiline string.
7159 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7161 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7163 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7165 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7167 * c-common.c: Include expr.h.
7169 * c-pragma.c (mark_align_stack): Add prototype.
7171 * caller-save.c (add_stored_regs): Likewise.
7173 * combine.c (record_promoted_value): Likewise.
7175 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7178 * cppinit.c (new_pending_define): Likewise.
7180 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7182 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7183 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7184 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7185 class_scope_p): Likewise.
7187 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7188 dwarf2out_add_library_unit_info): Likewise.
7190 * ggc.h (ggc_page_print_statistics): Likewise.
7192 * haifa-sched.c (propagate_deps): Likewise.
7194 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7196 * rtl.h (set_stack_check_libfunc): Likewise.
7198 * toplev.h (set_fatal_function): Likewise.
7200 * toplev.c (set_fatal_function): Delete prototype.
7202 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7204 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7206 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7207 (FUNC_END): Likewise.
7209 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7211 * caller-save.c: Include tm_p.h.
7213 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7215 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7217 2000-02-04 Neil Booth <NeilB@earthling.net>
7219 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7222 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7224 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7225 * genflags.c: Use the max_operand_1 logic from genemit.c to
7226 calculate how many arguments gen_insn prototypes have. Remove
7227 NO_MD_PROTOTYPES ifdefs from the generated file.
7228 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7229 file. Cast gen_insn initializers to insn_gen_fn.
7230 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7231 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7233 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7235 * fixinc/Makefile.in (HDR): Add machname.h.
7238 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7240 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7241 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7242 (c4x_cpu_version): Ditto.
7243 * config/c4x/c4x-protos.h: ... here.
7245 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7247 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7248 gen_abstract_function on our context if we're a nested function.
7250 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7252 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7253 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7255 2000-02-04 Bruce Korb <bkorb@gnu.org>
7257 * fixinc/genfixes(machname.h):
7258 Move the functionality from gen-machine.h into this file.
7259 UNdef MN_NAME_PAT if there are no names to change.
7260 Also, be a little kinder when AutoGen is not present.
7262 * fixinc/Makefile.in(machname.h):
7263 Change the generation rule to use genfixes.
7265 * fixinc/fixfixes.c(machine_name):
7266 machine_name_fix's functionality now dependent upon whether
7267 MN_NAME_PAT is defined.
7269 * fixinc/fixtests.c(machine_name):
7272 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7275 * fixinc/fixlib.h(mn_get_regexps):
7278 * fixinc/gen-machine.h: DELETED
7280 2000-02-04 Jan Hubicka <jh@suse.cz>
7281 Richard Henderson <rth@cygnus.com>
7283 * i386.c (SAVE_REGS_FIRST): Remove.
7284 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7285 (ix86_compute_frame_size): Likewise.
7286 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7287 (ix86_emit_restore_regs): Remove.
7288 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7289 when a frame pointer is in use.
7290 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7291 instead of pop to restore a register when profitable; emit leave
7293 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7295 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7296 * i386.md (prologue_allocate_stack): Remove.
7297 (epilogue_deallocate_stack): Remove.
7298 (pro_epilogue_adjust_stack): New.
7300 2000-02-04 Richard Henderson <rth@cygnus.com>
7302 * function.c (diddle_return_value): Rework to use a callback function.
7303 Use current_function_return_rtx if it's been set up.
7304 (do_clobber_return_reg, clobber_return_register): New.
7305 (do_use_return_reg, use_return_register): New.
7306 (expand_function_end): Use them.
7307 * stmt.c (expand_null_return): Likewise.
7308 * function.h: Declare them.
7309 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7310 (mark_reg): Change arguments as appropriate for callback.
7311 * integrate.c (expand_inline_function): Revert 19 Jan change.
7313 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7315 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7316 (Misc): Say the scheduler, not the Haifa scheduler.
7318 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7320 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7321 when in_mem is set. Update all callers.
7323 2000-02-04 Richard Henderson <rth@cygnus.com>
7325 * i386/openbsd.h (INT_ASM_OP): Define.
7327 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7329 * tm.texi: Fix various typos.
7331 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7333 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7334 (MD_STARTFILE_PREFIX_1): New macro.
7336 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7338 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7339 destination when needed.
7340 (strmovsi, strsetsi): New expander.
7341 (strmovsi_1, strsetsi_1): New pattern.
7342 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7343 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7344 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7345 * invoke.texi (align-stringops, inline-all-stringops): Document.
7347 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7349 * i386/netbsd.h (INT_ASM_OP): Define.
7351 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7353 * cpplib.h (cpp_reader): Add new flag, no_directives.
7354 * cpphash.c (macarg): Set it.
7355 * cpplib.c (handle_directive): If no_directives is on and we
7356 find a directive, issue an error and discard the line.
7358 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7360 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7361 FP constants. Add ! TARGET_FPU check for FP constants.
7363 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7365 * flow.c (find_basic_blocks): Don't kill label_value_list
7367 (cleanup_cfg): Kill it here.
7369 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7371 * expr.c (store_field): Ensure ALIGN is no stricter than the
7374 2000-02-02 Richard Henderson <rth@cygnus.com>
7376 * jump.c (delete_insn): Partially revert 19 Jan change;
7377 don't convert unused code labels to notes at -O0.
7379 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7381 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7382 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7384 2000-02-01 Richard Henderson <rth@cygnus.com>
7386 * i386.c (general_no_elim_operand): New.
7387 (nonmemory_no_elim_operand): New.
7388 (ix86_expand_move): Copy eliminable operands before a push.
7389 * i386-protos.h: Declare new functions.
7390 * i386.h (CAN_ELIMINATE): Simplify.
7391 (PREDICATE_CODES): Update.
7392 * i386.md (push insns): Don't allow eliminable register operands.
7394 2000-02-01 Richard Henderson <rth@cygnus.com>
7396 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7397 replace BLKmode with DECL_RTL's mode.
7399 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7401 * frame.c (find_fde): Convert for loop to do-while so compiler
7402 sees it's always executed at least once.
7403 * libgcc2.c (BBINBUFSIZE): Kill.
7404 (__bb_init_prg): Use fgets.
7405 (__bb_exit_trace_func): Don't paste strings.
7406 * unroll.c (unroll_loop): Initialize unroll_type, not
7407 unroll_number, and tweak logic to match.
7409 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7411 (ix86_flags_dependant): Likewise. Disentangle control flow.
7412 (ix86_sched_reorder): Break guts out to
7413 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7414 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7417 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7418 use string concatenation. Don't save and restore esi.
7420 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7421 (machname.h): Remove script to separate file. Use two-step
7422 sequence so target is not created if script fails.
7423 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7424 identifiers are defined.
7425 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7426 an empty string, machine_name doesn't need to do anything at
7428 (is_cxx_header): Add more cases to regexp.
7429 * fixinc/fixlib.h: Update prototype.
7430 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7432 * fixinc/fixincl.c: Define NO_BOGOSITY.
7434 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7435 (hp_sysfile): Add missing comma.
7436 (math_exception): Put the wrapper ifdefs at the beginning and
7437 the end of the file.
7438 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7440 2000-02-01 Richard Henderson <rth@cygnus.com>
7442 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7443 Use CONST0_RTX. Update all callers.
7444 * sparc.h, sparc-protos.h: Update accordingly.
7445 * sparc.md (fp mov insns): Use fp_zero_operand directly
7448 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7450 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7453 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7455 * Makefile.in (specs.ready): New target.
7456 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7458 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7460 * fixinc.irix: Use unique filenames for writing into /tmp,
7461 * fixinc.ptx: Likewise.
7462 * fixinc.sco: Likewise.
7463 * fixinc.svr4: Likewise.
7464 * fixinc.winnt: Likewise.
7466 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7468 * tsystem.h: New file.
7470 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7471 s-crtS): Depend on tsystem.h.
7473 * crtstuff.c: Include tsystem.h.
7474 * frame.c: Likewise.
7475 * libgcc2.c: Likewise.
7477 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7479 * builtins.c (expand_builtin_memset): Expand for variable sized
7482 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7484 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7487 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7489 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7491 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7493 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7495 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7496 case 3->2 combining (combining with splitting) in which 2 is CC0
7497 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7498 checked at the begining of the function with the aid of calling
7499 function 'can_combine_p'.
7501 2000-01-31 Dave Brolley <brolley@redhat.com>
7503 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7505 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7507 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7510 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7512 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7514 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7517 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7519 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7520 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7521 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7522 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7523 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7524 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7525 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7526 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7527 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7528 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7530 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7531 Add %(cpp_cpu) to CPP_SPEC.
7533 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7534 Add %(cc1_cpu) to CC1_SPEC.
7536 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7538 * c-decl.c (c_decode_option): Accept optional numeric argument to
7539 -Wformat and set warn_format.
7540 * c-common.c: Don't emit warning about non-constant printf format
7541 string unless warn_format > 1.
7543 2000-01-30 Richard Henderson <rth@cygnus.com>
7545 * alpha.md (return_internal): Allow after reload only.
7547 2000-01-30 Richard Henderson <rth@cygnus.com>
7549 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7550 local frame size is zero.
7552 2000-01-30 Richard Henderson <rth@cygnus.com>
7554 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7555 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7556 * alpha.md (return): Turn into an expander.
7557 (return_internal): Don't use $26.
7558 (epilogue): Emit the return insn.
7560 2000-01-30 Richard Henderson <rth@cygnus.com>
7562 * alpha.md (negtf2, abstf2): Fix word order thinko.
7564 (trunctfsf2): Avoid intermediate rounding errors.
7566 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7568 * cppfiles.c (find_position): Drop 'colp' argument, return the
7570 (read_and_prescan): Adjust to match. Don't ever manipulate
7571 line or line_base except via find_position.
7573 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7575 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7576 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7579 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7581 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7582 just print "<command line>". If 'filename' is null or an
7583 empty string, print "<stdin>" for the filename.
7584 * cpplib.c (do_define): Don't print the 'location of the
7585 previous definition' message if we're still parsing the
7587 (cpp_pedwarn_with_file_and_line): Always call
7588 cpp_file_line_for_message.
7590 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7592 * flow.c (mark_regs_live_at_end): Fix typo.
7594 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7596 * c-common.c: Adjust variable names, comments, help strings to c99.
7597 * c-lex.c: Likewise.
7598 * c-parse.y: Likewise.
7599 * c-tree.h: Likewise.
7601 * cpplib.h: Likewise.
7602 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7603 * cppinit.c: Likewise.
7605 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7607 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7608 * c4x.c: Define the optab rtx values.
7609 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7610 (c4x_emit_libcall): Use new optab rtx values.
7611 (c4x_emit_libcall3): Likewise.
7612 (c4x_emit_libcall_mulhi): Likewise.
7613 * c4x-protos.h: Add prototypes for optab rtx values and change
7614 prototypes for above c4x_emit_libcall functions.
7616 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7618 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7620 (c4x_function_prologue): Use regnames intead of float_reg_names when
7622 (c4x_function_epilogue): Likewise.
7623 (c4x_print_operand): Likewise.
7624 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7625 * c4x.md (set_high): Disable for TARGET_TI.
7627 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7629 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7630 of framepointer + constant to ADDR_REGS class.
7631 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7632 * c4x.c (std_or_reg_operand): New function.
7633 * c4x-protos.h (std_or_reg_operand): Prototype it.
7635 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7637 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7638 object names as libgcc2.c.
7639 * libgcc.S: Use newly defined names.
7641 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7642 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7644 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7645 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7646 (FLOW_LOOP_LAST_BLOCK): Likewise.
7648 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7650 * basic-block.h (struct loop): New fields 'first' and 'last'.
7651 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7652 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7653 and loop->last to check for NOTE_INSN_LOOP_END.
7655 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7657 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7658 of the loop descriptor rather than HEADER and LATCH. Also added
7659 missing break statements as well making some coding style modifications
7660 as suggested by Michael Hayes.
7662 2000-01-28 Richard Henderson <rth@cygnus.com>
7664 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7665 Break out that code ...
7666 (cleanup_cfg): ... here.
7667 (commit_one_edge_insertion): Detect a return instruction being
7668 emitted to an edge. Emit a barrier following; clear fallthru.
7669 (commit_edge_insertions): Verify CFG consistency.
7670 * function.c (expand_function_start): Kill unused variable.
7671 (expand_function_end): Likewise.
7672 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7673 to insert the epilogue.
7675 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7676 (delete_null_pointer_checks): Likewise.
7677 * output.h: Likewise.
7678 * reg-stack.c (reg_to_stack): Likewise.
7679 * toplev.c (rest_of_compilation): Likewise. Run
7680 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7682 2000-01-28 Richard Henderson <rth@cygnus.com>
7684 * Makefile.in (flow.o): Revert 24 Jan change.
7685 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7686 FUNCTION_VALUE result to DECL_RESULT's mode.
7688 * haifa-sched.c (schedule_insns): Don't recompute reg info
7691 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7693 * configure.in: Make --enable-cpplib the default.
7694 * configure: Regenerate.
7695 * gcc.dg/990119-1.c: No longer expected to fail.
7697 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7699 * jump.c (jump_optimize_1): Delete an optimization that is also done
7700 by merge_blocks in flow.
7702 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7704 * diagnostic.c (build_message_string, output_printf,
7705 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7706 (build_location_prefix): Fix non-literal format string.
7708 2000-01-27 Richard Henderson <rth@cygnus.com>
7710 * alpha.md (trunctfsf2): New.
7712 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7714 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7716 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7718 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7720 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7722 (skip_comment) ... here. Permit C++ comments in system
7723 headers always. Warn about C++ comments in user code under
7724 -std=gnu89 -pedantic.
7725 (copy_comment): Use skip_comment.
7726 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7728 (consider_directive_while_skipping, do_else, do_endif): Call
7729 validate_else unconditionally.
7730 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7731 text after the conditional in a system header.
7732 * cpplib.h (struct cpp_buffer): Add flag
7733 warned_cplusplus_comments.
7735 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7737 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7738 Use unshare_all_rtl_1.
7739 (unshare_all_rtl_again): New function.
7740 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7742 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7743 rather than resetting the 'used' flags ourself.
7745 * toplev.c (rest_of_compilation): Add current_function_decl
7746 to the unshare_all_rtl call.
7747 * tree.h: Prototype unshare_all_rtl.
7748 * rtl.h: Prototype unshare_all_rtl_again here.
7750 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7752 * genoutput.c (output_prologue): Include ggc.h in generated
7754 * Makefile.in (insn-output.o): Depends on ggc.h.
7756 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7757 Hans-Peter Nilsson <hp@bitrange.com>
7759 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7760 Remove redundant include of xm-ns32k.h.
7761 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7762 Remove redundant include of xm-ns32k.h.
7763 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7764 Remove redundant include of xm-ns32k.h.
7765 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7767 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7768 (TARGET_SWITCHES): Add documentation strings.
7769 (DWARF_FRAME_REGNUM): Override default definition.
7770 (REG_CLASS_CONTENTS): Add comments.
7771 (SUBSET_P): Format to reduce line length.
7772 (SMALL_REGISTER_CLASSES): Make a run time option.
7773 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7774 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7775 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7776 (regclass_map): fix typo in comment.
7777 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7778 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7779 (trace, reg_or_mem_operand): Delete, unused function.
7780 (calc_address_cost): Small offsets are cheaper than large ones.
7781 (expand_block_move): Generate more efficient code when bytes is a
7782 known at compile time.
7783 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7784 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7785 instead of reg_or_mem_operand.
7787 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7788 not general_operand. Similarly use "=rm" or stricter, not "=g".
7789 For input operands, use stricter constraints than "g" if not
7790 general_operand. Similarly use stricter predicate than
7791 "general_operand" when stricter constraints than "g" are present,
7792 except for matching constraints.
7793 (movstrsi): Use "memory_operand" for operands 0 and 1.
7794 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7795 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7796 not reg_or_mem_operand.
7797 (udivmoddisi4): Ditto.
7798 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7799 Use nonimmediate_operand for operand 3, not register_operand.
7800 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7803 2000-01-27 Fred Fish <fnf@be.com>
7805 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7806 * gthr-single.h: Likewise.
7807 * gthr-solaris.h: Likewise.
7808 * gthr-vxworks.h: Likewise.
7809 * gthr-win32.h: Likewise.
7812 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7814 * cppinit.c: Add " (cpplib)" to end of string printed by
7817 2000-01-27 Richard Henderson <rth@cygnus.com>
7819 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7820 testing for a signed comparison.
7821 (alpha_emit_floatuns): New.
7822 * alpha-protos.h: Declare it.
7823 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7824 (extendsfdf2): Tidy.
7826 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7828 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7829 no -g option specifying debugging format, default to -gstabs+.
7831 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7833 * calls.c (special_function_p): New argument fork_or_exec.
7834 (expand_call): When profile_arc_flag is set and the function
7835 is in the fork_or_exec group, call __bb_fork_func first.
7836 * libgcc2.c, _bb module (__bb_fork_func): New function.
7837 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7839 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7840 * tree.h (special_function_p): Update prototype.
7842 2000-01-26 Richard Henderson <rth@cygnus.com>
7844 * alpha.c (alpha_split_tfmode_pair): New.
7845 * alpha-protos.h: Declare it.
7846 * alpha.md (abstf2, negtf2): New.
7847 (movtf insn): Add input G constraint.
7848 (movtf splitter): Use alpha_split_tfmode_pair.
7850 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7852 * i386/cygwin.h: PROTO -> PARAMS.
7854 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7856 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7857 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7858 using _Qp_cmp/_Q_cmp and testing the return value.
7859 (print_operand): Call reverse_condition_maybe_unordered if
7860 we are handling CCFPmode or CCFPEmode.
7861 Handle ORDERED, UN* and LTGT comparisons.
7862 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7863 if not TARGET_HARD_QUAD.
7864 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7865 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7866 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7867 Adjust gen_b* calls so that they reflect return comparison of
7868 sparc_emit_float_lib_cmp.
7870 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7872 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
7873 incoming operands array is large enough for one more operand.
7874 (alpha_emit_xfloating_arith): Likewise.
7876 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7878 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
7879 file with one line and no trailing newline.
7880 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
7881 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
7882 checking if the match is on the line.
7883 * fixinc/gnu-regex.c: Provide regerror not __regerror.
7885 2000-01-25 Richard Henderson <rth@cygnus.com>
7887 * sparc.c (output_cbranch): Fix accidental squashing of the
7888 fp branch pre-delay nop.
7890 2000-01-25 Richard Henderson <rth@cygnus.com>
7892 * tree.def (UNNE_EXPR): Remove.
7893 * c-typeck.c (build_binary_op): Don't handle it.
7894 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
7896 * rtl.def (UNNE): Remove.
7898 * jump.c (reverse_condition): Update accordingly.
7899 (swap_condition): Likewise.
7900 (comparison_dominates_p): Handle unordered comparisons.
7901 (reverse_condition_maybe_unordered): New.
7902 * rtl.h (reverse_condition_maybe_unordered): Declare.
7904 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
7905 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
7906 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
7907 * sparc.md (bltgt): New.
7909 2000-01-25 Nick Clifton <nickc@redhat.com>
7911 * emit-rtl.c (emit_insn): Only check machine class insns for
7912 improper emission of a RETURN.
7914 2000-01-25 Richard Henderson <rth@cygnus.com>
7916 * Makefile.in (flow.o): Depend on $(EXPR_H).
7917 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
7918 duplicate the structure of diddle_return_value for keeping regs live.
7920 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7922 * loop.c (current_loop_info): Delete.
7923 (consec_sets_invariant_p): Add loop argument, update callers.
7924 (get_condition_for_loop): Likewise.
7925 (count_nonfixed_reads, update_giv_derive): Likewise.
7926 (simplify_giv_expr, general_induction_var): Likewise.
7927 (consec_sets_giv, recombine_givs): Likewise.
7928 (move_movables): Delete loop_start and loop_end arguments,
7929 add loop argument, and update callers.
7930 (find_mem_givs, check_final_value): Likewise.
7931 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
7932 (loop_invariant_p): Rename from invariant_p, add loop argument, and
7934 (basic_induction_var): Add loop argument, delete loop_level argument,
7936 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
7937 add loop argument, and update callers.
7938 (find_splittable_regs, find_splittable_givs): Likewise.
7939 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
7940 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
7941 (biv_total_increment): Delete loop_start and loop_end arguments;
7943 (precondition_loop_p): Delete loop_start and loop_info arguments;
7945 * loop.h (get_condition_for_loop): Add loop argument.
7946 (biv_total_increment): Delete loop_start and loop_end arguments.
7947 (precondition_loop_p): Delete loop_start and loop_info arguments;
7949 (final_biv_value): Delete loop_start and loop_end arguments;
7951 (final_giv_value, back_branch_in_range_p): Likewise.
7953 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7955 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
7957 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7959 * Makefile.in (c-gperf.h) : Change the "See" pointer to
7960 point to the new "generated_files" doc.
7962 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7964 * config/fp-bit.c (_unord_f2): Fix typo.
7966 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7968 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
7969 c-typeck.c, objc/objc-act.c: Remove all references to obstack
7970 functions obsoleted by GC, such as push_obstacks_nochange,
7971 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
7972 and code which existed only to decide whether or not to call
7973 them. Remove now-unused NESTED argument from start_function;
7974 all callers changed. Do not change behavior based on ggc_p.
7975 The use of the ixp_obstack in c-iterate.c and the util_obstack
7976 in objc/objc-act.c remain; these are not obsoleted by garbage
7978 * c-tree.h: Update prototype for start_function.
7980 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
7982 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7984 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
7987 2000-01-25 Richard Henderson <rth@cygnus.com>
7989 * sparc-protos.h (select_cc_mode): Declare.
7990 * sparc.c (select_cc_mode): New. Handle unordered compares.
7991 (output_cbranch): Always reverse via code change. Handle
7992 unordered compares. Factor tests and string updates.
7993 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
7994 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
7995 * sparc.md (bunordered, bordered): New.
7996 (bungt, bunlt, buneq, bunge, bunle): New.
7998 2000-01-25 Richard Henderson <rth@cygnus.com>
8000 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8001 * ggc-common.c (ggc_add_rtx_varray_root): New.
8002 (ggc_mark_rtx_varray): New.
8003 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8004 functions down below ggc_mark_foo.
8005 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8007 2000-01-25 Richard Henderson <rth@cygnus.com>
8009 * alpha.c (secondary_reload_class): Don't allocate a secondary
8010 for integral mode memories into FLOAT_REGS. Rearrange the more
8011 complicated memory expression inward.
8013 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8015 * inclhack.def: Fixes to play nicer with FreeBSD, and
8016 corrections to comments.
8017 (cxx_unready): Add select expression.
8018 (irix_sockaddr): Add bypass expression.
8019 (machine_ansi_h_va_list): New fix.
8020 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8021 Split out addition of "#include <stdarg.h>" to...
8022 (stdio_stdarg_h): ... here.
8023 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8024 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8025 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8027 (ultrix_ifdef): Tighten up select expression.
8029 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8030 re_ct and max_mach to avoid use of shell. Make printed names
8031 match names in inclhack.def. Use static copyright date.
8032 Don't count c_test and test expressions as requiring regex_t
8033 slots. Add some commentary.
8034 * inclhack.tpl: Do not include the 'This script contains N
8035 fixup scripts' line if PROGRAM is defined. Use static
8038 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8040 * dwarf2out.c: include "varray.h", not dyn-string.h.
8041 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8042 (addr_const_to_string, addr_to_string): Lose.
8043 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8044 (struct dw_val_struct): val_addr is now an rtx.
8045 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8046 (used_rtx_varray): New varray.
8047 (dwarf2out_init): Initialize it.
8049 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8051 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8052 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8053 * Makefile.in (dwarf2out.o): Update dependencies.
8055 2000-01-24 Richard Henderson <rth@cygnus.com>
8057 * i386.c (i386_dwarf_output_addr_const): New.
8058 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8060 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8062 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8063 * i386.c (i386_simplify_dwarf_addr): New.
8064 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8066 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8068 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8069 TYPE_STUB_DECL is NULL.
8071 2000-01-24 Richard Henderson <rth@cygnus.com>
8073 * builtins.c (expand_tree_builtin): Move ...
8074 * c-common.c (expand_tree_builtin): ... here.
8076 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8078 * loop.h (LOOP_INFO): New accessor macro.
8079 * basic-block.h (struct loop): Rename field `info' to `aux'.
8080 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8081 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8082 * unroll.c (loop_iterations, unroll_loop): Likewise.
8084 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8086 * config/i386/t-cygwin: Accomodate new winsup directory layout
8087 when searching for include files.
8089 2000-01-24 Richard Henderson <rth@cygnus.com>
8091 * rtl.def: Add unordered fp comparisions.
8092 * tree.def: Likewise.
8093 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8095 * builtins.c (expand_tree_builtin): New function.
8096 * c-typeck.c (build_function_call): Use it.
8097 (build_binary_op): Support unordered compares.
8098 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8100 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8101 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8102 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8103 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8104 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8106 (swap_condition): Handle unordered compares.
8107 (thread_jumps): Check can_reverse before reversing.
8108 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8111 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8112 setcc is present before acking for cmp_optab. Update all callers.
8113 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8114 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8115 * expr.c (expand_expr): Likewise. Support unordered compares.
8116 (do_jump, do_store_flag): Likewise.
8117 * expr.h (enum libfunc_index): Add unordered compares.
8119 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8120 (DPBIT_FUNCS): Add _unord_df.
8121 * config/fp-bit.c (_unord_f2): New.
8122 * fp-test.c (main): Try unordered compare builtins.
8124 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8125 * alpha.c (alpha_comparison_operator): Check mode properly.
8126 (alpha_swapped_comparison_operator): Likewise.
8127 (signed_comparison_operator): Likewise.
8128 (alpha_fp_comparison_operator): New.
8129 (alpha_emit_conditional_branch): Handle unordered compares.
8130 * alpha.h (PREDICATE_CODES): Update.
8131 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8132 (bunordered, bordered): New.
8134 2000-01-24 Richard Henderson <rth@cygnus.com>
8136 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8137 * alpha.md (movtf): New expander, insn, and splitter.
8139 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8141 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8144 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8146 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8147 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8148 REG_ALLOC_ORDER): Add frame pointer
8149 (FRAME_POINTER_REGNUM): Set to 20
8150 (HARD_FRAME_POINTER_REGNUM): New macro.
8151 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8152 to HARD_FRAME_POINTER.
8153 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8154 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8155 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8156 (HI_REGISTER_NAMES): Add "frame".
8157 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8158 (debug_reg): Handle FRAME_POINTER_REGNUM.
8159 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8160 GENERAL_REGS and INDEX_REGS.
8161 * i386.c (SAVED_REGS_FIRST): new macro.
8162 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8163 (ix86_decompose_address, memory_address_length): Likewise.
8164 (regclass_map): Add frame pointer.
8165 (call_insn_operand): Handle frame_pointer_rtx.
8166 (reg_no_sp_operand): Likewise.
8167 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8168 (print_operand, legitimize_pic_address): Fix formating.
8169 (ix86_compute_frame_size): Make static, update prototype, new
8170 parameters padding1, padding2, use ix86_nsaved_regs, use
8171 stack_alignment_needed.
8172 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8173 to HARD_FRAME_POINTER_REGNUM conversions.
8174 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8175 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8176 (print_reg): Abort on FRAME_POINTER_REGNUM
8178 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8180 * i386.h (PREDICATE_CODES): Add aligned_operand.
8181 * i386.c (aligned_operand): New function.
8182 (ix86_aligned_p): Kill.
8183 * i386.md (movhi_1): Emit mov for aligned operands.
8184 (promoting peep2s): Use aligned_operand.
8186 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8188 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8189 expression to allow underscores in macro names.
8190 (fix_char_macro_defines): Increment scanning pointer.
8192 2000-01-23 Richard Henderson <rth@cygnus.com>
8194 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8195 * alpha/osf5.h: New file.
8196 * configure.in (alpha-*-osf5): Add it to tm_file.
8198 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8200 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8201 (alpha_emit_xfloating_cvt, function_arg): Declare.
8202 * alpha.c (alpha_emit_conditional_branch): Call
8203 alpha_emit_xfloating_compare for TFmode compares.
8204 (alpha_lookup_xfloating_lib_func): New.
8205 (alpha_compute_xfloating_mode_arg): New.
8206 (alpha_emit_xfloating_libcall): New.
8207 (alpha_emit_xfloating_arith): New.
8208 (alpha_emit_xfloating_compare): New.
8209 (alpha_emit_xfloating_cvt): New.
8210 (print_operand): Add default abort case.
8211 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8212 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8213 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8214 (RETURN_IN_MEMORY): True for TF/TCmode.
8215 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8216 (FUNCTION_ARG): Move to function_arg.
8217 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8218 (ASM_OUTPUT_LONG_DOUBLE): New.
8219 (ASM_OUTPUT_DOUBLE): Always output bits.
8220 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8221 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8222 (extenddftf2, trunctfdf2): New.
8224 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8226 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8227 * config/sparc/sol2.h: ... here.
8229 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8231 * basic-block.h (struct loops): New field `levels'.
8232 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8233 (flow_loop_level_compute): Initialise level to 1.
8234 (flow_loops_find): Set loops->levels.
8235 (flow_loops_dump): Print loops->levels.
8237 2000-01-23 Richard Henderson <rth@cygnus.com>
8239 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8240 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8242 2000-01-23 Richard Henderson <rth@cygnus.com>
8244 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8245 * i386.h (DBX_REGISTER_NUMBER): Use them.
8246 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8247 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8248 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8249 * i386/sequent.h: Kill incorrect comment.
8251 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8253 * ggc-page.c (struct page_entry): Make `context_depth' an
8255 (struct globals): Likewise.
8257 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8259 * loop.c (check_dbra_loop): When checking a loop for
8260 reversability, check the source of any stores to ensure
8261 they don't depend on an initial value.
8263 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8265 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8267 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8269 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8270 'pz_scan' into scope of entire function. Only affects
8271 compiles with -DDEBUG.
8273 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8275 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8276 section naming to that prior to 2000-01-07 patch.
8277 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8278 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8279 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8280 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8281 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8283 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8285 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8288 2000-01-21 Jim Wilson <wilson@cygnus.com>
8290 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8291 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8293 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8295 * cpphash.c (change_newlines): Delete function.
8296 (struct argdata): Delete 'newlines' and 'use_count' fields.
8297 (macroexpand): Remove code referencing those fields.
8299 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8301 * loop.c (loops_info): New variable.
8302 (loop_optimize): Allocate loops->array and free it on exit.
8303 Allocate memory for loops_info and assign to each loop,
8305 (find_and_verify_loops): Do not allocate loops->array.
8307 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8309 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8311 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8313 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8314 pseudos if expanded after first flow.
8315 (movdi_pic_label_ref): Likewise.
8317 2000-01-20 Richard Henderson <rth@cygnus.com>
8319 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8321 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8323 * Makefile.in (fixinc.sh): Depend on specs.
8324 * fixinc/Makefile.in: Add rule to create machname.h.
8325 (fixlib.o): Depend on machname.h.
8326 * fixinc/fixtests.c (machine_name): New test.
8327 * fixinc/fixfixes.c (machine_name): New fix.
8328 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8329 the machine_name test and fix.
8330 * fixinc/fixlib.h: Prototype it.
8331 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8332 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8334 * gcc.c (do_spec_1) [case P]: Take care not to create
8335 identifiers with three leading or trailing underscores.
8337 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8338 (fixincl): Don't specify libraries twice on link line.
8339 (gnu-regex.o): Remove special rule.
8340 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8341 defined by config.h. Do not define _REGEX_RE_COMP.
8342 (regcomp): Allocate and initialize a fastmap.
8343 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8345 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8347 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8349 2000-01-19 Richard Henderson <rth@cygnus.com>
8351 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8352 arguments with BB. Update all callers. Tidy line wrapping.
8354 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8356 * emit-rtl.c (try_split): Return last_insn if we split the
8359 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8361 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8362 (ix86_initial_elimination_offset): Declare.
8363 * i386.c (ix86_nsaved_regs): Break out from ...
8364 (ix86_can_use_return_insn_p): ... here.
8365 (ix86_emit_save_regs): Break out from ...
8366 (ix86_expand_prologue): ... here.
8367 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8369 (ix86_expand_epilogue): ... here.
8370 (ix86_compute_frame_size): Make static, add prototype.
8371 (ix86_initial_elimination_offset): Break out from ...
8372 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8374 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8376 * recog.h (OUT_FCN): Delete.
8378 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8380 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8382 * cppalloc.c: PROTO -> PARAMS.
8383 * cpperror.c: Likewise.
8384 * cppfiles.c: Likewise.
8385 * cpplib.c: Likewise.
8386 * cpplib.h: Likewise.
8388 * config/arm/arm-protos.h: PROTO -> PARAMS.
8389 * config/arm/arm.c: Likewise.
8390 * config/c4x/c4x.c: Likewise.
8391 * config/fr30/fr30-protos.h: Likewise.
8392 * config/nextstep.c: Likewise.
8393 * config/pa/pa.c: Likewise.
8394 * config/pj/pj.c: Likewise.
8395 * config/rs6000/rs6000.c: Likewise.
8396 * config/v850/v850-protos.h: Likewise.
8397 * config/v850/v850.c: Likewise.
8399 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8401 * i370-protos.h: New file.
8403 * i370.c: Include tm_p.h. Fix compile time warnings.
8405 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8408 * i370.md: Likewise.
8410 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8412 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8413 (target_isinf, target_isnan, eisnan): Mark parameter with
8415 (eiisinf): Wrap in INFINITY.
8416 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8417 (ibmtoe): Remove unused variable `rndsav'.
8419 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8421 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8422 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8424 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8426 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8427 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8428 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8430 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8431 Recognize Emacs mode markers also.
8432 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8433 C++ comments in C++ headers. Call is_cxx_header only if
8436 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8438 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8439 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8440 ... these, which use the new C fixes.
8441 (math_exception): Escape literal '+' in bypass expression.
8443 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8446 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8448 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8451 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8453 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8454 prior to calling scan_loop.
8456 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8458 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8459 (split_branches, calc_live_regs): Likewise.
8461 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8463 * sh.md (fpu_single, fp_mode): New attributes.
8465 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8467 * loop.c (current_loop_info): Renamed from loop_info_data
8468 and changed to a pointer.
8469 (loop_optimize): Allocate loop_info structure for each loop
8470 and initialise to zero.
8471 (scan_loop): Set current_loop_info.
8473 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8476 2000-01-19 Richard Henderson <rth@cygnus.com>
8478 * stupid.c: Die die die.
8479 * Makefile.in (OBJS): Remove stupid.o.
8480 (stupid.o): Likewise.
8482 * except.c (emit_eh_context): Don't emit USEs for stupid.
8483 * explow.c (probe_stack_range): Likewise.
8484 * flags.h (obey_regdecls): Remove.
8485 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8486 when not optimizing.
8487 (life_analysis): Limit data collection when not optimizing.
8488 (mark_regs_live_at_end): Always mark the return value registers.
8489 (mark_used_regs): Remove dummy RETURN case.
8490 (print_rtl_with_bb): Don't consult obey_regdecls.
8491 * function.c (use_variable, use_variable_after): Remove.
8492 (assign_parms): Consult optimize not obey_regdecls.
8493 (expand_function_start): Don't emit USEs for stupid.
8494 (expand_function_end): Likewise.
8495 * global.c (build_insn_chain): Export.
8496 * integrate.c (expand_inline_function): Kill return-value USE
8498 * jump.c (jump_optimize_1): Do simple jump optimizations and
8499 dead code elimination.
8500 (calculate_can_reach_end): Remove check_deleted argument.
8501 (delete_insn): Patch out insns even when not optimizing.
8502 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8503 * rtl.h (use_variable, use_variable_after): Remove declarations.
8504 (build_insn_chain): Declare.
8505 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8506 (expand_end_bindings): Likewise.
8507 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8508 * toplev.c (obey_regdecls): Remove.
8509 (rest_of_compilation): Don't set it. Kill stupid in favour of
8510 flow1, local-alloc, and reload.
8511 (main): Don't set obey_regdecls.
8513 * config/nextstep.c (handle_pragma): Likewise.
8515 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8517 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8519 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8521 * alpha-protos.h: PROTO -> PARAMS.
8522 * alpha.c: Likewise.
8524 * h8300.c: Likewise.
8525 * i386-protos.h: Likewise.
8527 * m32r-protos.h: Likewise.
8530 * mips.md: Likewise.
8531 * gmon-sol2.c: Likewise.
8532 * sparc.c: Likewise.
8534 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8536 * ns32k-protos.h: New file.
8538 * ns32k.c: Fix compile time warnings.
8540 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8543 * ns32k.md: Likewise.
8545 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8547 * vax-protos.h: New file.
8549 * vax.c: Fix compile time warnings.
8551 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8556 * vaxv.md: Likewise.
8558 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8560 * romp-protos.h: New file.
8562 * romp.c: Fix compile time warnings.
8564 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8567 * romp.md: Likewise.
8569 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8571 * we32k-protos.h: New file.
8573 * we32k.c: Fix compile time warnings.
8575 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8578 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8580 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8582 * except.c (eh_regs): Likewise.
8584 * final.c (output_operand): Likewise.
8586 * fold-const.c (target_isinf, target_isnan): Likewise.
8588 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8590 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8591 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8593 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8595 (clrstrsi): Rewrite.
8596 (strsethi, strsetqi): New expanders.
8597 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8598 (cmpstrsi): Emit compare insn before cmpstrsi_1
8599 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8600 (strlensi_1): Likewise.
8601 (cmpstrsi_1): Likewise; do not output compare.
8602 (strlen expander): Do not unroll when optimizing for size.
8603 (*subsi3_carry): Rename to subsi3_carry
8604 (addqi3_cc): New pattern.
8605 * i386.h (processor_costs): Add move_ratio field.
8606 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8607 * i386.c (*_cost): Set move_ratio.
8608 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8609 (x86_expand_strlensi_1): Rewrite the main loop.
8611 2000-01-17 Richard Henderson <rth@cygnus.com>
8613 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8614 * cse.c (find_comparison_args, fold_rtx): Likewise.
8615 * integrate.c (subst_constants): Likewise.
8616 * loop.c (get_condition): Likewise.
8618 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8620 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8622 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8624 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8625 (RESTORE_WARN_FLAGS): Unpack it.
8626 Change semantic type of extension to ttype.
8627 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8628 * c-parse.y, c-parse.c, objc/objc-parse.y,
8629 objc/objc-parse.c: Regenerate.
8631 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8633 * fixinc/fixlib.c: Add copyright notice.
8634 (compile_re): New function.
8635 * fixinc/fixlib.h: Prototype compile_re.
8637 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8638 Use compile_re to compile regular expressions.
8640 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8641 where the pattern matched.
8643 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8645 (ultrix_ansi_compat): Likewise.
8646 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8648 (interactv_add2, interactv_add3): Delete.
8649 (x11_sprintf): Don't use filename glob.
8650 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8653 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8655 * print-rtl.c: PROTO -> PARAMS.
8657 * reg-stack.c: Likewise.
8658 * resource.c: Likewise.
8659 * sdbout.h: Likewise.
8660 * simplify-rtx.c: Likewise.
8661 * stor-layout.c: Likewise.
8662 * stupid.c: Likewise.
8663 * xcoffout.c: Likewise.
8664 * xcoffout.h: Likewise.
8666 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8668 * toplev.c: PROTO -> PARAMS.
8669 * toplev.h: Likewise.
8672 * unroll.c: Likewise.
8673 * varasm.c: Likewise.
8674 * varray.c: Likewise.
8675 * varray.h: Likewise.
8677 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8679 * reload.c: PROTO -> PARAMS.
8680 * reload.h: Likewise.
8681 * reload1.c: Likewise.
8682 * reorg.c: Likewise.
8683 * resource.h: Likewise.
8686 * rtlanal.c: Likewise.
8687 * sbitmap.h: Likewise.
8688 * sdbout.c: Likewise.
8689 * stack.h: Likewise.
8691 * system.h: Likewise.
8693 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8695 * machmode.h: PROTO -> PARAMS.
8696 * mbchar.h: Likewise.
8697 * mips-tdump.c: Likewise.
8698 * mips-tfile.c: Likewise.
8699 * optabs.c: Likewise.
8700 * output.h: Likewise.
8701 * prefix.c: Likewise.
8702 * profile.c: Likewise.
8703 * protoize.c: Likewise.
8705 * recog.c: Likewise.
8706 * recog.h: Likewise.
8707 * regclass.c: Likewise.
8708 * regmove.c: Likewise.
8711 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8713 * ggc-common.c: PROTO -> PARAMS.
8714 * ggc-page.c: Likewise.
8715 * ggc-simple.c: Likewise.
8717 * global.c: Likewise.
8718 * graph.c: Likewise.
8719 * gthr-win32.h: Likewise.
8720 * haifa-sched.c: Likewise.
8721 * halfpic.h: Likewise.
8722 * integrate.c: Likewise.
8723 * integrate.h: Likewise.
8726 * local-alloc.c: Likewise.
8730 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8732 * genattr.c: PROTO -> PARAMS.
8733 * genattrtab.c: Likewise.
8734 * gencheck.c: Likewise.
8735 * gencodes.c: Likewise.
8736 * genconfig.c: Likewise.
8737 * genemit.c: Likewise.
8738 * genextract.c: Likewise.
8739 * genflags.c: Likewise.
8740 * gengenrtl.c: Likewise.
8741 * genopinit.c: Likewise.
8742 * genoutput.c: Likewise.
8743 * genpeep.c: Likewise.
8744 * genrecog.c: Likewise.
8746 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8748 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8750 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8752 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8753 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8754 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8755 * configure, config.in: Rebuilt.
8757 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8759 * config/i386/i386.md: Add peephole to merge successive stack
8762 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8764 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8765 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8766 when walking backwards to find all the parameter loads when
8767 the basic block ends in a call.
8769 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8771 * loop.c (this_loop_info): Delete.
8772 (uid_loop): Add in place of uid_loop_num. All uses updated.
8773 (loop_number_exit_count): Delete and replace with entry in loop
8774 structure. All uses updated.
8775 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8776 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8777 (loop_outer_loop): Likewise.
8778 (loop_invalid, loop_number_exit_labels): Likewise.
8779 (loop_used_count_register): Delete and replace with entry in
8780 loop_info structure.
8781 (find_and_verify_loops): Add loops argument.
8782 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8783 loop_end, etc. arguments with loop structure pointer. All callers
8785 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8786 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8787 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8788 (insert_bct): Likewise.
8789 (basic_induction_var): New argument level.
8790 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8791 vtop, and cont. Add used_count_register.
8792 (uid_loop): Delete declaration.
8793 (loop_number_exit_count): Likewise.
8794 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8795 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8796 (loop_outer_loop, loop_used_count_register): Likewise.
8797 (loop_invalid, loop_number_exit_labels): Likewise.
8798 (unroll_loop): Replace loop_start and loop_end arguments
8799 with loop structure pointer.
8800 (loop_precondition_p, loop_iterations): Likewise.
8801 Include basic-block.h.
8802 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8803 with loop structure pointer.
8804 (loop_precondition_p, loop_iterations): Likewise.
8805 * basic-block.h (struct loop): New entries vtop, cont,
8806 cont_dominator, start, end, top, scan_start, exit_labels,
8808 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8810 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8812 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8814 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8816 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8818 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8820 * pdp11-protos.h: New file.
8822 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8825 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8828 * pdp11.md: Likewise.
8832 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8834 * mn10300-protos.h: New file.
8836 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8839 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8842 * mn10300.md: Likewise.
8844 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8846 * mn10200-protos.h: New file.
8848 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8851 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8854 * mn10200.md: Likewise.
8856 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8858 * h8300-protos.h: New file.
8860 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8863 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8866 * h8300.md: Likewise.
8868 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8870 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
8871 (asm_emit_uninitialised): Likewise.
8873 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
8875 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
8876 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
8878 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8880 * config/mips/mips.c (override_options): Don't turn on extra
8881 alignment for mips16.
8883 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8885 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
8886 eabi, and make sure queued POSTINCREMENT rtl is emitted at
8889 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8891 * builtins.c (PAD_VARARGS_DOWN): Define.
8892 (std_expand_builtin_va_arg): Use the above macro.
8893 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
8894 * tm.texi (Register Arguments): Document the above macro.
8896 2000-01-14 Nick Clifton <nickc@cygnus.com>
8898 * emit-rtl.c (emit_insn): If checking is enabled, make sure
8899 that this function has not been used to emit a jump
8902 * jump.c (return_jump_1): Cope with being passed a null rtx.
8904 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8906 * eh-common.h: PROTO -> PARAMS.
8907 * emit-rtl.c: Likewise.
8908 * errors.c: Likewise.
8909 * errors.h: Likewise.
8910 * except.c: Likewise.
8911 * except.h: Likewise.
8912 * explow.c: Likewise.
8913 * expmed.c: Likewise.
8916 * final.c: Likewise.
8917 * fix-header.c: Likewise.
8919 * fold-const.c: Likewise.
8920 * function.c: Likewise.
8921 * function.h: Likewise.
8923 * gcov-io.h: Likewise.
8927 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8929 * sh-protos.h: New file.
8931 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
8932 Add static prototypes. Fix compile time warnings.
8934 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
8938 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8940 * arc-protos.h: New file.
8942 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
8945 * arc.h: Move prototypes to arc-protos.h. Fix compile time
8950 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8952 * dsp16xx-protos.h: New file.
8954 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
8957 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
8960 * dsp16xx.md: Likewise.
8962 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8964 * convex-protos.h: New file.
8966 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
8969 * convex.h: Move prototypes to convex-protos.h. Fix compile time
8972 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8974 * elxsi-protos.h: New file.
8976 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
8979 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
8982 * elxsi.md: Likewise.
8984 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8986 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
8987 case for moving from HI/LO/HI_LO_REG. This makes the behavior
8988 match the comment for MIPS16.
8990 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
8992 * flow.c (split_edge): Do not call set_block_for_insn if we
8993 do not have a basic_block_for_insn structure.
8995 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
8996 and destination functions are 32bit aligned within the trampoline.
8997 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
8998 (TRAMPOLINE_ALIGNMENT): Define.
9000 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9001 (set (pc) (label_ref)), verify the change creates a valid insn.
9003 * fr30.c (call_operand): Tighten and rework to match rules for
9004 call RTL expressions.
9005 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9006 * fr30.md (call patterns): Improve constraints.
9008 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9010 * fr30.c (fr30_expand_epilogue): Revert last change.
9011 Use emit_jump_insn for the return insn.
9013 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9014 Stan Cox <scox@cygnus.com>
9016 * predict.c: New file. Preliminary infrastructure work for static
9017 branch prediction and basic block reordering.
9018 * basic-block.h: Add prototype for estimate_probability.
9019 * Makefile.in: Add rules for predict.o.
9021 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9023 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9024 * fixinc/*: Likewise.
9026 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9028 * cccp.c: PROTO -> PARAMS.
9030 * collect2.c: Likewise.
9031 * combine.c: Likewise.
9032 * convert.h: Likewise.
9034 * dbxout.c: Likewise.
9035 * dbxout.h: Likewise.
9036 * diagnostic.c: Likewise.
9037 * doprint.c: Likewise.
9038 * dwarf2out.c: Likewise.
9039 * dwarf2out.h: Likewise.
9040 * dwarfout.c: Likewise.
9041 * dwarfout.h: Likewise.
9042 * dyn-string.h: Likewise.
9044 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9046 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9047 macro conditionals guarding use.
9049 * dwarf2out.c: Include "tm_p.h".
9051 * function.c (locate_and_pad_parm): Mark parameter with
9053 (expand_function_end): Likewise for variable `context'.
9055 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9057 2000-01-13 Nick Clifton <nickc@cygnus.com>
9059 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9060 register to prevent compile time warnings.
9062 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9064 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9065 to avoid -Wtraditional warning.
9067 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9069 * 1750a-protos.h: New file.
9071 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9074 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9077 * 1750a.md: Likewise.
9079 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9081 * a29k-protos.h: New file.
9083 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9086 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9089 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9091 * clipper-protos.h: New file.
9093 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9096 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9099 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9101 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9103 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9105 * configure.in (--enable-new-gxx-abi): New option.
9106 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9107 * Makefile.in (GXX_ABI_FLAG): New variable.
9108 * configure: Regenerate.
9110 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9112 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9113 * tm.texi (FORCE_STRUCT_BLK): Document.
9114 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9116 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9118 * config/ns32k/ns32k.md: Revert Jan 9 change.
9120 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9121 to a mode-test, if the predicate is address_operand.
9123 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9125 * combine.c (if_then_else_cond): Be careful about what kinds
9126 of RTL expressions are passed to operand_subword.
9128 * flow.c (split_edge): If we have to insert a new jump, make
9129 sure to associate it with a basic block.
9131 * flow.c (commit_one_edge_insertion): A block with one successor
9132 can end in a JUMP_INSN that is not a simplejump.
9134 2000-01-12 Robert Lipe <robertl@sco.com>
9136 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9137 (BUILD_VA_LIST_TYPE): Define.
9138 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9141 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9143 * cccp.c (do_pragma): Add cast to (char *).
9145 2000-01-12 Richard Henderson <rth@cygnus.com>
9146 Fred Fish <fnf@be.com>
9147 Jason Merrill <jason@cygnus.com>
9149 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9150 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9151 * i386/beos-elf.h, i386/beos-pe.h: New files.
9153 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9154 * cross-make (SYSTEM_HEADER_DIR): Define using
9155 CROSS_SYSTEM_HEADER_DIR.
9157 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9158 (process_command): Use it.
9159 (main): Likewise. Kill trailing = from env vars.
9160 (build_search_list): Put it back.
9161 * collect2.c (main): Use LIBRARY_PATH_ENV.
9163 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9164 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9166 * tm.texi (Frame Layout): Document SMALL_STACK.
9167 * c-common.c (c_common_nodes_and_builtins): Check it.
9169 * system.h: Undef alloca after including glibc's <stdlib.h>,
9170 if USE_C_ALLOCA is defined.
9172 * gcc.c (set_input): New fn.
9173 (main): After all input files are compiled, reset the input file
9176 * aclocal.m4 (rindex, index): If already defined, don't attempt
9179 * ginclude/varargs.h: (__va_list__): Define ifndef.
9180 * ginclude/stdarg.h: Likewise.
9182 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9183 instead of unsigned char.
9185 * hash.h (true, false, boolean): Undef before enum.
9187 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9188 proper type of "HOST_WIDE_INT *", rather than their natural type of
9189 "unsigned HOST_WIDE_INT *".
9191 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9193 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9195 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9197 * regclass.c (choose_hard_reg_mode): Likewise.
9199 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9201 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9203 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9205 * c-common.c: PROTO -> PARAMS.
9206 * c-common.h: Likewise.
9207 * c-decl.c: Likewise.
9208 * c-iterate.c: Likewise.
9209 * c-lang.c: Likewise.
9210 * c-lex.c: Likewise.
9211 * c-lex.h: Likewise.
9212 * c-parse.in: Likewise.
9213 * c-pragma.c: Likewise.
9214 * c-pragma.h: Likewise.
9215 * c-tree.h: Likewise.
9216 * c-typeck.c: Likewise.
9217 * objc/objc-act.c: Likewise.
9218 * objc/objc-act.h: Likewise.
9220 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * m88k-protos.h: New file.
9224 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9227 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9229 * m88k.md: Likewise.
9231 * tekXD88.h: Likewise.
9233 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * m68k-protos.h: New file.
9237 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9240 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9242 * mot3300.h: Likewise.
9244 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9246 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9248 (extract_bitlist): Declare bitlen.
9250 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9252 * cccp.c: Accept and ignore -lang-fortran.
9254 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9255 qualifiers don't match at any level of pointerness.
9257 2000-01-12 Robert Lipe <robertl@sco.com>
9259 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9261 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9263 * reload1.c (reload_reg_unavailable): New static variable.
9264 (reload_reg_free_p): Test it.
9265 (reload_reg_free_for_value_p): Test it instead of
9267 (choose_reload_regs_init): Compute it.
9269 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9271 * reorg.c (fill_slots_from_thread): Check modified_in_p
9274 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9276 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9277 these nodes even if INTERNALS is not set.
9279 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9281 * gcse.c (delete_null_pointer_checks_1): Cope when
9282 get_condition cannot determine the condition.
9284 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9286 * toplev.h (set_message_length): Declare.
9288 * diagnostic.c (obstack_chunk_alloc): Define macro.
9289 (obstack_chunk_free): Likewise.
9290 (struct output_buffer): New data structure.
9292 (output_maximum_width): New variable.
9293 (doing_line_wrapping, set_message_length, init_output_buffer,
9294 get_output_prefix, output_space_left, emit_output_prefix,
9295 output_newline, output_append, output_puts, dump_output,
9296 vbuild_message_string, build_message_string, build_location_prefix,
9297 voutput_notice, output_printf, line_wrapper_printf,
9298 vline_wrapper_message_with_location): New functions. Implement
9299 automatic line wrapping.
9300 (v_message_with_decl): Make it handle automatic line wrapping.
9301 (v_error_with_file_and_line): Likewise.
9302 (v_warning_with_file_and_line): Likewise.
9303 (announce_function): Likewise.
9304 (default_print_error_function): Likewise.
9306 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9308 * cpplib.h (struct cpp_options): Change lang_asm to char.
9310 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9311 done in cpp_handle_option now.
9312 (initialize_builtins): Take out special case code used only by
9314 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9315 if -traditional. Recognize -lang-fortran and set
9316 lang_fortran, also turn off cplusplus_comments.
9317 (print_help): Document -lang-fortran.
9318 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9319 lang_asm. Ignore all directives other than `# 123 "file"' if
9321 (cpp_get_token): If -traditional, don't recognize directives
9322 unless the # is in column 1.
9323 (parse_string): If lang_fortran or lang_asm, silently
9324 terminate strings ('' or "") at end of line.
9325 Remove unnecessary braces.
9327 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9328 Richard Henderson <rth@cygnus.com>
9330 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9332 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9333 strict_low_part when possible.
9335 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9337 * alias.c: PROTO -> PARAMS.
9338 * basic-block.h: Likewise.
9339 * bitmap.c: Likewise.
9340 * bitmap.h: Likewise.
9341 * builtins.c: Likewise.
9342 * c-aux-info.c: Likewise.
9343 * caller-save.c: Likewise.
9344 * calls.c: Likewise.
9346 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9348 * Makefile.in (toplev.o): Depend on regs.h.
9350 * output.h (tdesc_section): Prototype.
9352 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9354 * sdbout.c: Include "tm_p.h".
9356 * toplev.c: Include "regs.h".
9358 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9360 * unroll.c (unroll_loop): Add EH support.
9362 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9364 * pa-protos.h: New file.
9366 * pa.c: Include recog.h and tm_p.h.
9367 (compute_zdepwi_operands, compute_movstrsi_length,
9368 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9369 find_addr_reg, import_milli): Add static prototypes.
9370 (pa_cpu_string, pa_arch_string): Constify a char*.
9371 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9372 (read_only_operand): Add argument `mode'.
9373 (singlemove_string, output_move_double, output_fp_move_double,
9374 output_block_move, output_and, output_ior, output_ascii,
9375 remove_useless_addtr_insns, milli_names, output_mul_insn,
9376 output_div_insn, output_mod_insn, output_arg_descriptor,
9377 output_cbranch, output_bb, output_bvb, output_dbra, ,
9378 output_millicode_call, output_call, hppa_encode_label,
9379 output_parallel_movb, output_parallel_addb): Constify a char*.
9380 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9381 (output_parallel_addb): Remove extra arg to `constrain_operands'
9383 * pa.h: Move all prototypes to pa-protos.h.
9384 (pa_cpu_string, pa_arch_string): Constify a char*.
9385 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9387 * pa.md: Call `function_label_operand' with mode argument.
9388 Likewise for `read_only_operand'.
9389 Fix nesting of parens in call to `symbolic_operand'.
9391 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9393 * i860-protos.h: New file.
9395 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9398 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9400 * i860.md: Likewise.
9402 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9404 * i386.md (movstrsi expander): Rewrite.
9405 (movstrsi_1 insn): Deleted.
9406 (strmovhi, strmovqi expander): New expanders.
9407 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9408 * i386.c (x86_single_stringop): New global variable.
9409 * i386.h (x86_single_stringop): Declare.
9410 (TARGET_SINGLE_STRINGOP): New macro.
9412 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9414 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9415 integer vararg POSTINCREMENT before the destination of the jump
9416 for the hard fp case.
9417 (function_arg_pass_by_reference): Pass a copy of CUM to
9420 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9421 for CONSTANT_ADDRESS_P above while loop for subreg.
9423 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9425 * flow.c (propagate_block): When a prologue/epilogue insn
9426 is marked dead, unconditionally clear libcall_is_dead and
9427 insn_is_dead, and only dump rtl if warnings aren't being
9430 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9432 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9433 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9434 (FIXED_REGISTERS): Set dirflag as fixed.
9435 (CALL_USED_REGISTERS): Set dirflag as used.
9436 (REG_ALLOC_ORDER): Set dirflag as last one.
9437 (DIRFLAG_REG): New macro.
9438 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9439 (HI_REGISTER_NAMES): Add dirflag.
9440 (DEBUF_PRINT_REG): Handle dirflag.
9441 * i386.md (type attribute): New cld and str types.
9442 (length_opcode attribute): Set cld and str to 1.
9443 (memory attribute): Set str to unknown - it is not clear from the
9445 (pent_np function unit): Prefixed string operations takes 12 cycles
9446 minimally; cld takes 2 cycles.
9447 (ppro_uops attribute): Str is "many" and cld is "few".
9448 (ppro_p0 unit): Handle cld here.
9449 (k6_alux unit): Handle cld and str types.
9450 (k6_load unit): It is ocupied by str opcodes.
9451 (k6_store unit): It is ocupied by str opcodes.
9452 (athlon_decode): Str is vector decoded.
9453 (athlon_ieu): Handle str and cld.
9455 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9456 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9457 cmpstrsi_nz_1 insn): Do not output cld instruction
9459 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9461 * gcc.texi (G++ and GCC): Add Java and Chill.
9462 (Bug Critera): Don't list languages.
9464 * gcc.texi (Incompatibilities): No longer claim most C compilers
9467 * gcc.texi (G++ and GCC): Update other front-ends list.
9469 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9471 * i386.c (ix86_expand_setcc): Fix typo.
9472 (ix86_expand_movcc): Similarly.
9474 * Band-aid until haifa's bitset implementation is nuked.
9475 * haifa-sched.c (extract_bitlst): New parameter for size of the
9476 bitset in bits. All callers changed. Avoid looking at undefined
9478 (edgeset_bitsize): New variable.
9479 (schedule_region): Initialize edgeset_bitsize.
9481 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9483 * Makefile.in (optabs.o): Depend on real.h
9484 (resource.o): Depend on insn-attr.h
9486 * builtins.c (result_vector): Wrap prototype in macro conditions
9487 governing definition and use.
9489 * c-common.c: Include tm_p.h.
9491 * c-lex.c: Likewise.
9493 * elfos.h: Constify a char*.
9495 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9496 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9497 parameter with ATTRIBUTE_UNUSED.
9499 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9502 * haifa-sched.c (schedule_insns): Mark parameter with
9505 * optabs.c: Include real.h.
9507 * real.h (ereal_atof): Add prototype arguments.
9509 * resource.c: Include insn-attr.h.
9511 * sdbout.c (sdbout_queue_anonymous_type,
9512 sdbout_dequeue_anonymous_types): Wrap in macro
9513 SDB_ALLOW_FORWARD_REFERENCES.
9514 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9517 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9519 * stupid.c: Include tm_p.h.
9521 * tree.c (real_value_from_int_cst): Mark parameter with
9524 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9526 * i960-protos.h: New file.
9528 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9531 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9533 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9535 * combine.c (expand_field_assignment): Do not discard SUBREGs
9536 while computing nonzero_bits.
9538 2000-01-09 Nick Clifton <nickc@cygnus.com>
9540 * config/arm/arm.c: Fix compile time warnings about signed vs
9542 * config/arm/arm.h: Fix compile time warnings about signed vs
9545 2000-01-09 Philip Blundell <philb@gnu.org>
9547 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9548 than `ldm' with only one register.
9549 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9552 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9555 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9557 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9560 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9562 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9563 assignment used as truth value.
9565 * function.c (assign_temp): Mark parameter `dont_promote' with
9566 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9567 PROMOTE_FOR_CALL_ONLY.
9569 * genrecog.c (write_subroutine): Mark variable `operands' with
9572 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9575 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9576 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9578 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9581 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9583 * config/c4x.h: Tidy up comments.
9584 * config/c4x.c: Likewise.
9586 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9588 * fold-const.c (lshift_double, rshift_double): Handle
9589 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9591 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9593 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9594 in prepare_function_start().
9596 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9598 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9599 longer allocate extra stack for function calls.
9601 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9603 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9605 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9607 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9609 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9611 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9612 * aix43.h: Revert Aug 2 change.
9613 (HAS_INIT_SECTION): Define, not visible yet.
9614 (LD_INIT_SWITCH): Define, not visible yet.
9615 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9617 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9619 * collect2.c (main): Expand ld2 size further.
9620 (export_object_lst): Cast assignment to avoid warning.
9621 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9622 (scan_prog_file, COFF): Do not collect initialization or
9623 finalization functions generated for entire shared object if
9624 init/fini support present.
9626 2000-01-07 Nick Clifton <nickc@cygnus.com>
9628 * config/elfos.h: Tidy up formatting of marcos. Make sure
9629 that .section directives are always prefixed by a tab.
9631 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9634 2000-01-07 Matt Austern <austern@sgi.com>
9636 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9639 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9641 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9643 (crtbegin.o, s-crtS): Likewise.
9645 2000-01-06 Richard Henderson <rth@cygnus.com>
9647 * alpha.md (adddi_2+1): Limit offset such that it will be
9648 loadable with a single ldah+lda pair.
9649 (adddi_2+2): Explicitly fail split if we can't make it work.
9651 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9653 * protoize.c: Conditionally include unistd.h.
9654 (IS_SAME_PATH_CHAR): New macro.
9655 (IS_SAME_PATH): New macro.
9656 (CPLUS_FILE_SUFFIX): New macro.
9657 (cplus_suffix): New static variable.
9658 (is_abspath): New static function.
9659 (in_system_include_dir): Handle DOS style pathnames.
9660 (file_could_be_converted): Likewise.
9661 (file_normally_convertible): Likewise.
9662 (directory_specified_p): Likewise.
9663 (file_excluded_p): Likewise.
9664 (abspath): Likewise.
9665 (shortpath): Likewise.
9666 (referenced_file_is_newer): Likewise.
9667 (save_def_or_dec): Likewise.
9668 (do_processing): Likewise.
9670 (edit_file): Likewise. Use rename instead of link.
9671 (rename_c_file): Likewise. Don't rename syscalls file.
9672 (munge_compile_params): Define null device for DOS based systems.
9673 (process_aux_info_file): Use binary mode if appliable.
9674 (edit_file): Likewise.
9675 * invoke.texi (Running Protoize): Document C++ suffixes used.
9677 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9678 IS_DIR_SEPARATOR macros.
9679 * collect2.c: Likewise.
9680 * cppinit.c: Likewise.
9681 * dwarf2out.c: Likewise.
9684 * prefix.c: Likewise.
9686 * toplev.c: Likewise.
9687 * system.h: And move to here.
9689 * prefix.c (update_path): Fix typo in variable name.
9691 2000-01-06 Richard Henderson <rth@cygnus.com>
9693 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9694 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9695 (count_reg_sets_1, count_reg_references): Likewise.
9696 (flow_loops_level_compute): Start counting actual loop depth at 1.
9697 (flow_loops_find): Likewise.
9698 * local-alloc.c (update_equiv_regs): Likewise.
9699 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9701 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9703 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9704 FIRST_PSEUDO_REGISTER
9705 * dwarf2out.c: Don't include frame.h
9706 * dwarfout.c: Likewise
9707 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9710 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9712 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9715 * i386.c (movsf splitter): Fix typo in my last checkin.
9717 2000-01-05 Nick Clifton <nickc@cygnus.com>
9719 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9720 own definition of this macro.
9721 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9722 flag_data_sections or UNIQUE_SECTION_P are true.
9724 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9725 unitialised data decls.
9727 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9728 being called for uninitialised data.
9730 * config/i386/interix.c (i386_pe_unique_section): Cope with
9731 being called for uninitialised data.
9733 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9734 for uninitialised data.
9736 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9737 for uninitialised data.
9739 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9740 for uninitialised data.
9742 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9743 (UNIQUE_SECTION_P): Always generate a unique section if
9744 flag_data_sections is true.
9745 (UNIQUE_SECTION): Also generate unique sections for
9747 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9748 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9751 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9753 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9756 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9758 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9759 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9760 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9761 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9762 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9764 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9766 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9768 * c-decl.c (finish_enum): Simplify code to determine minimum and
9769 maximum values of the enum, and calculate the type. Remove check
9770 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9771 the DECL_INITIAL of each enumeration constant with a copy converted
9772 to the enumeration type. When updating variant types, don't bother
9773 updating the type itself.
9775 * c-typeck.c (build_binary_op): Simplify conditional expressions
9776 when weeding out spurious signed-unsigned warnings. Add new
9777 spurious warning category: if the unsigned quantity is an enum
9778 and its maximum value fits in signed_type(result_type). Update
9780 (build_conditional_expr): Warn here if one alternative is signed
9781 and the other is unsigned.
9783 2000-01-05 Nick Clifton <nickc@cygnus.com>
9785 * config/fr30/fr30.h: Remove extraneous comments.
9787 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9789 * reload1.c (choose_reload_regs): When disabling a reload, also
9790 set reload_spill_index to -1.
9792 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9794 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9796 (m68*-*-rtemself*): New target.
9797 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9798 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9799 (sparc*-*-rtemself*): New target.
9800 (sparc*-*-rtems*): Now elf not a.out.
9801 * config/i386/rtems.h: Include config/rtems.h.
9802 * config/i386/rtemself.h: Include config/rtems.h.
9803 * config/i960/rtems.h: Include config/rtems.h.
9804 * config/m68k/rtems.h: Include config/rtems.h.
9805 * config/m68k/rtemself.h: Include config/rtems.h.
9806 * config/mips/rtems64.h: Include config/rtems.h.
9807 * config/pa/rtems.h: Include config/rtems.h.
9808 * config/rs6000/rtems.h: Include config/rtems.h.
9809 * config/sh/rtems.h: Include config/rtems.h.
9810 * config/sh/rtemself.h: Include config/rtems.h.
9811 * config/sparc/rtems.h: Include config/rtems.h.
9812 * config/sparc/rtemself.h: Include config/rtems.h
9814 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9816 * final.c (shorten_branches): Correctly compute length of
9817 asms without operands.
9819 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9821 * configure.in: Add pj target.
9822 * configure: Regenerate.
9823 * config/pj: New directory.
9824 * config/pj/lib1funcs.S: New file.
9825 * config/pj/linux.h: New file.
9826 * config/pj/pj.c: New file.
9827 * config/pj/pj.md: New file.
9828 * config/pj/pjl.h: New file.
9829 * config/pj/t-pj: New file.
9830 * config/pj/xm-pj.h: New file
9832 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9834 * toplev.c (rest_of_compilation): Run shorten-branches before
9837 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9839 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9840 macros so that they're consistent with their names.
9841 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9842 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9844 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9846 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9847 modified inadvertently.
9849 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9851 * configure.in (v850*-*-rtems*): New target.
9852 * configure: Regenerate.
9853 * config/v850/rtems.h: New file.
9855 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9857 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9858 (__gthread_key_create): Likewise.
9859 (__gthread_key_dtor): Likewise.
9860 (__gthread_once): Fix logic.
9861 (__gthread_key_delete): Cast away constness.
9863 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9864 * invoke.texi: Document.
9865 * i386/mingw32.h (CPP_SPEC): Use.
9866 (LIBGCC_SPEC): Likewise.
9867 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
9869 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9871 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
9872 (HANDLE_PRAGMA_PACK): Undefine.
9873 (SLOW_UNALIGNED_ACCESS): Define.
9875 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9877 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9878 to default definition.
9879 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
9880 (store_fixed_bit_field): Call macro with word_mode and alignment.
9881 (extract_bit_field): Call macro with relevant mode and alignment.
9882 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9883 to default definition.
9884 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
9886 (move_by_pieces_ninsns): Likewise.
9887 (clear_by_pieces): Likewise.
9888 (emit_push_insn): Likewise.
9889 (store_field): Call macro with relevant mode and alignment.
9890 (expand_expr): Likewise.
9891 (expand_expr_unaligned): Likewise.
9893 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9894 (SLOW_UNALIGNED_ACCESS): Define.
9895 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9896 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9897 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9898 (toc_section): Likewise and .toc pseudo-op.
9899 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9901 (TEXT_SECTION_ASM_OP): Likewise.
9902 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9905 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
9906 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
9907 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
9908 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
9909 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
9911 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
9913 * regclass.c: Revert my Jan 4 change to loop cost computation.
9915 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9917 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
9920 2000-01-04 Stan Cox <scox@cygnus.com>
9922 * haifa-sched.c (build_control_flow): Change unreachable simple
9923 loop test to check if current block has only one predecessor.
9924 (find_rgns): Initialize degree. Use dest as degree index, not src.
9926 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9928 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
9930 * calls.c (expand_call): Likewise for
9931 `old_stack_arg_under_construction'.
9933 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
9935 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
9938 * gcc.c (execute): Likewise for `ut' and `st'.
9940 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
9942 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
9944 * jump.c (jump_optimize_1): Likewise for `temp2'.
9946 * local-alloc.c (block_alloc): Likewise for `r1'.
9948 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
9950 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
9951 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
9953 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
9956 * reload.c (find_reloads): Likewise for `goal_alternative_number'
9957 and `goal_earlyclobber'.
9959 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
9961 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
9963 * stupid.c (stupid_life_analysis): Likewise for `chain'.
9965 * unroll.c (copy_loop_body): Likewise for `copy'.
9967 * varasm.c (output_constructor): Likewise for `byte'.
9969 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9971 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
9972 all FP constants for constant->reg moves.
9973 (ix86_split_to_parts): Try to convert memory address into immediate
9974 when available in the constant pool.
9975 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
9977 (LEGITIMATE_CONSTANT_P): Return 1.
9978 * i386.md (pushsf): New splitter to convert constant pool memory
9979 reference to immediate.
9980 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
9983 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
9985 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
9986 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
9987 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
9988 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
9989 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
9991 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
9993 * ginclude/stdbool.h: Support compilation as C++.
9995 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9997 * fold-const.c (make_range): Don't try to reverse an unbounded range.
9999 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10001 * regclass.c (regclass): Properly compute loop_cost. Adjust
10004 * regclass.c: Fix minor whitespace problems.
10006 2000-01-03 Anthony Green <green@cygnus.com>
10008 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10009 Restore the pic register if required.
10011 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10013 * c-common.c (format_char_info): Update comment.
10014 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10015 was recognized. Emit warning for formats new in ISO C99 only
10016 if flag_isoc9x is not set.
10018 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10020 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10022 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10024 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10025 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10026 (make_compound_operation): Choose cheaper alternative between
10027 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10029 * regclass.c (op_costs): Remove global variable.
10030 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10031 (record_operand_costs): Break out from ...
10032 (scan_one_insn): ... here.
10033 (dump_regclass): Make dumps nicer.
10034 (regclass): Dump preferrences choosed and changes done during passes.
10036 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10038 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10040 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10042 * config/sparc/sparc.c (gen_df_reg): New function.
10043 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10044 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10045 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10046 movtf_cc_reg_sp64+1): Use it.
10048 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10050 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10051 copied LABEL_DECLs.
10053 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10055 * config/i386/i386.c (ix86_expand_unary_operator): Function
10056 definition made void.
10057 (ix86_expand_binary_operator): Update outdated preceding comment.
10058 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10061 * config/i386/i386.c (override_options): Fix option-name typo.
10063 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10065 * system.h (CEIL): Define.
10066 * builtins.c (CEIL): Remove.
10067 * expmed.c (CEIL): Likewise.
10068 * expr.c (CEIL): Likewise.
10069 * stor-layout.c (CEIL): Likewise.
10071 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10073 * expr.c (store_constructor_field): Fix typo introduced with last
10076 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10078 * tree.h (BINFO_N_BASETYPES): New macro.
10080 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10082 * expmed.c (emit_store_flag): Prevent losing a pending stack
10083 adjust the same way we prevent losing queued increments.
10085 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10087 * function.c (update_temp_slot_address): Handle case where sum of
10088 temporary address plus offset in register is a valid address.
10090 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10092 * genrecog.c (change_state) Corrected typo.
10094 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10096 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10097 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10098 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10100 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10102 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10103 case, expand GT comparisons correctly. Fix a comment before this
10106 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10108 * dwarfout.c: Include "frame.h"
10109 * dwarf2out.c: Likewise.
10110 * Makefile.in (dwarfout.o): Depend on frame.h
10111 (dwarf2out.o): Likewise.
10113 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10115 Restore i386 binary compatibility in Dwarf EH info.
10116 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10117 value of FIRST_PSEUDO_REGISTER.
10118 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10119 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10120 * dwarfout.c (output_reg_number): Ditto.
10121 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10122 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10124 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10126 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10127 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10128 (<hack>_RE_CT): not needed
10129 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10130 rewritten to scan the file text once only
10131 "template<..." test added
10132 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10133 (is_cxx_header): declaration added
10134 * fixinc/fixtests.c(is_cxx_header): removed
10135 (apply_fix_p_t): removed
10136 (double_slash_test): is_cxx_header is only called once now
10137 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10138 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10139 within the templates.
10140 The borken spelling of "broken" was fixed.
10141 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10142 The default level depends on FIXINC_DEBUG.
10144 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10146 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10147 Otherwise provide a declaration for atexit.
10148 (init_dummy): Make sure dummy call to atexit is nevertheless
10149 called with correct number of args.
10151 * frame.c: Update comments referring to other files.
10153 * libgcc2.c: Likewise.
10155 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10157 * cse.c (free_element, get_element): Remove unused prototypes.
10159 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10162 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10165 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10167 * configure.in,configure: case arm for mn10200-*-* now sets
10168 float_format=i32 so that float.h will correctly claim "double"
10169 to be 32 bits. Ran autoconf to generate configure from .in file.
10171 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10173 * pa.md (conditional zero): If op1 is a register, force it into
10174 the same register as op0.
10176 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10178 * tree.h (BINFO_BASETYPES): Improve documentation.
10180 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10182 * configure.in (--enable-checking): Use a more portable `for'
10185 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10187 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10188 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10190 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10193 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10194 Delete descriptions.
10196 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10197 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10198 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10199 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10200 xm-svr4.h: Remove all instances of sys_siglist handling.
10202 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10204 * config/sparc/sparc.md (cmp_zero_qi,
10205 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10206 cmp_zero_extendqidi2_andcc_set): New patterns.
10208 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10210 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10211 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10212 (fpgnulib.c, xfgnulib.c): Add rules.
10213 * m68k/t-mot3300-gas: Likewise.
10215 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10217 * configure.in: Avoid [[ by using test and changequote. Add
10218 changequote required by 1999-12-14 change.
10219 * configure: Rebuild.
10221 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10223 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10225 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10227 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10228 * flow.c (find_use_as_address): Likewise.
10229 * function.c (fixup_var_refs_1): Likewise.
10230 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10231 * jump.c (invert_exp, redirect_exp): Likewise.
10232 * loop.c (replace_call_address): Likewise.
10233 (count_nonfixed_reads): Likewise.
10234 * rtlanal.c (modified_between_p): Likewise.
10235 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10236 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10237 * unroll.c (remap_split_bivs): Likewise.
10239 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10241 * diagnostic.c (v_message_with_decl): Use .* format specifier
10242 instead of building the format specifier width manually.
10244 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10245 determining whether to provide a prototype. Remove the
10246 sys_siglist clause in the conditional.
10248 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10250 * fold-const.c (operand_equal_p): Use memcmp to compare string
10252 Suggested by D. J. Bernstein
10254 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10256 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10257 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10259 * config/mips/mips.h (TARGET_64BIT): Likewise.
10260 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10261 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10262 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10263 dsps. Give routines proper names if SI/DI modes are not used.
10264 * longlong.h: Use DWunion instead of DIunion.
10266 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10268 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10269 GC_CHECKING, GC_ALWAYS_COLLECT.
10270 * configure.in: Allow --enable-checking with an argument
10271 listing check modes to enable.
10272 * config.in, configure: Rebuilt.
10273 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10274 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10275 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10276 ENABLE_GC_ALWAYS_COLLECT.
10277 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10279 * tree.h, tree.c: Change ENABLE_CHECKING to
10280 ENABLE_TREE_CHECKING throughout.
10282 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10284 * fold-const.c (fold_truthop): Properly check for FP RHS.
10286 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10288 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10289 * toplev.c (note_deferral_of_defined_inline_function): New
10290 function, split out from ...
10291 (rest_of_compilation): ... here. Use it.
10293 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10295 * expr.c (store_constructor): Don't call clear_storage if size is
10298 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10300 * Makefile.in (toplev.o): Depend on loop.h.
10302 * dwarfout.c: Include tm_p.h.
10304 * emit-rtl.c (restore_emit_status): Mark parameter with
10307 * final.c (final_scan_insn): Likewise.
10309 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10310 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10311 flow_depth_first_order_compute, flow_loop_pre_header_find,
10312 flow_loop_tree_node_add, flow_loops_tree_build,
10313 flow_loop_level_compute, flow_loops_level_compute,
10314 flow_loop_outside_edge_p): Add prototypes.
10315 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10317 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10318 Mark with ATTRIBUTE_NORETURN.
10320 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10322 * local-alloc.c (no_conflict_p): Likewise.
10324 * loop.c (insert_bct): Hide definitions of variables with hidden
10326 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10328 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10329 with ATTRIBUTE_UNUSED.
10330 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10331 (reg_scan): Likewise.
10333 * reload.c (find_reloads): Remove unused variables `changed'.
10335 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10337 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10338 Remove unused variable `insn'.
10340 * toplev.c: Include loop.h.
10341 (report_file_and_line): Remove unnecessary prototype.
10343 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10345 * unroll.c (biv_total_increment): Likewise.
10347 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10349 * reload1.c (emit_input_reload_insns): Restore old behaviour
10350 wrt. 'special' reloads.
10352 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10354 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10355 hash.h. (cse.c): Don't depend on hashtab.h.
10357 * cse.c: Don't include hashtab.h.
10358 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10360 * ggc-simple.c: Don't include hash.h.
10362 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10364 * dwarf2out.c (add_abstract_origin_attribute): Call
10365 gen_abstract_function on our function context.
10367 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10369 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10371 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10373 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10376 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10378 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10379 constraints to "a!r".
10381 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10383 * Makefile.in (calls.o): Depend on function.h.
10384 (alias.o): Likewise.
10386 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10388 * reload1.c (emit_reload_insns): Break out code and variables into...
10389 (input_reload_insns, other_input_address_reload_insns,
10390 other_input_reload_insns, input_address_reload_insns,
10391 inpaddr_address_reload_insns, output_reload_insns,
10392 output_address_reload_insns, outaddr_address_reload_insns,
10393 operand_reload_insns, other_operand_reload_insns,
10394 other_output_reload_insns): ... new static variables, and...
10395 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10396 do_output_reload): ... new functions.
10398 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10400 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10402 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10404 * md.texi: Add c4x constraints documentation.
10406 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10408 * config/i386/dgux.c (struct option): Rename to
10409 lang_independent_option.
10410 (struct m_options): Add description field.
10411 (output_options): Rename option type, add sep declaration, output
10412 ix86_cpu_string and ix86_arch_string only if set.
10413 (output_file_start): Rename option type.
10415 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10417 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10419 (libgcc2.a): Similarly.
10421 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10423 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10424 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10425 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10427 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10429 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10430 Remove redundant initialization of "frexpon" and "expon".
10432 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10434 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10436 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10437 (store_constructor_field, expand_expr): Pass new arg.
10439 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10441 * Makefile.in (explow.o): Depend on function.h.
10443 * stor-layout.c (set_sizetype): Fix typo.
10445 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10447 * function.c (cfun): Renamed from current_function. All users
10449 * function.h (cfun): Rename declaration as well.
10451 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10452 to be of type regset_head, not regset. All users changed by adding
10454 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10456 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10458 * config/c4x/rtems.h: New file.
10460 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10462 * reload1.c (spill_failure): Take class of failed reload as argument
10463 and print it. Caller changed.
10465 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10467 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10468 (TARGET_SWITCHES): Allow subtargets to default switches.
10469 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10471 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10473 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10476 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10478 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10479 * cppinit.c (cpp_handle_option): Likewise.
10481 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10482 determine when to define.
10484 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10486 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10487 cmove with mismatched test and data modes.
10489 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10491 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10494 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10496 * alias.c: Minor reformatting.
10497 * flow.c: Likewise.
10498 * regs.h: Likewise.
10499 * stor-layout.c: Likewise.
10500 * fold-const.c: Likewise.
10501 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10502 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10504 (size_int_wide): Cache nodes even if garbage collecting.
10505 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10506 of SAVE_EXPR has no side effects.
10507 * cse.c: Move a comment.
10508 * tree.c: Minor reformatting.
10509 (int_size_in_bytes): Return -1 if constant overflows.
10511 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10513 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10515 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10517 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10518 after any change to c-parse.in, even if objc-parse.y didn't
10521 1999-12-18 David S. Miller <davem@redhat.com>
10523 * toplev.c (rest_of_compilation): Restore BLOCK tree
10524 reconstruction and branch shortening changes lost in
10525 December 18th change.
10527 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10529 * config/arm/linux-elf.h: Change all instances of
10530 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10531 * config/arm/uclinux-elf.h: Likewise.
10533 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10535 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10536 v_message_with_decl, file_and_line_for_asm,
10537 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10538 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10539 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10540 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10541 pfatal_with_name, fatal_io_error, need_error_newline,
10542 last_error_function, last_error_tick, announce_function,
10543 default_print_error_function, print_error_function,
10544 report_error_function, fnotice, error_with_file_and_line,
10545 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10546 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10547 warning_with_decl, warning_for_asm, warning, pedwarn,
10548 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10550 (compile_file): Use fnotice instead of notice. Adjust call.
10552 * diagnostic.c: New file.
10554 * Makefile.in (OBJS): Include diagnostic.o
10555 (diagnostic.o): Define dependence.
10557 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10559 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10562 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10564 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10566 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10568 * fixtests.c (is_cxx_header): New fn, split out of
10570 (else_endif_label): Allow "#endif // comment" in C++ headers,
10571 as determined by is_cxx_header.
10572 * fixfixes.c (else_endif_label_fix): Update comment.
10573 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10575 * genfixes: Correct double thinko in commandline parsing.
10576 * hackshell.tpl: Generate correct sh syntax for bypass
10579 * inclhack.def (all): Whenever an inserted preprocessor
10580 conditional is split over multiple lines, use double
10581 backslashes in this file so the fixed header will be readable.
10583 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10584 and add bypass entry for correct version of this header.
10585 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10586 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10588 (hpux8_bogus_inlines): New fix, split from...
10589 (ultrix_atof_param) ... here.
10590 (math_expression): Add bypass entry keyed to glibc comment
10591 indicating the problem has been dealt with; disable
10592 unnecessary sed operations; update commentary.
10593 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10594 add select and bypass entries, simplify shell operation.
10595 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10597 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10598 ultrix_atof_param): Add select entry.
10599 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10600 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10601 comments with the fixes they describe.
10603 * c-parse.in (string action): Do not warn about ANSI string
10604 concatenation in system headers. Affects C parser only.
10605 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10607 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10609 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10610 compiling libgcc2 the macro depends always on arch cpp defines.
10612 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10614 * loop.c (insert_loop_mem): Don't record MEMs from inside
10617 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10619 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10621 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10622 notes too, create one when replacement failed, attempt to simplify
10624 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10625 or REG_EQUIV notes.
10627 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10629 * crtstuff.c (__dso_handle): Declare.
10630 (__cxa_finalize): Likewise.
10631 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10634 * invoke.texi: Document -fuse-cxa-atexit.
10636 * tree.h (ptr_type_node): Document.
10637 (const_ptr_type_node): Likewise.
10639 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10641 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10642 (optimize_reg_copy_2): Likewise.
10643 (optimize_reg_copy_3): Likewise.
10644 (fixup_match_2): Likewise.
10645 (regmove_optimize): Likewise.
10646 (fixup_match_1): Liekwise.
10648 * i386.md (HI to SImode promoting splitters): Rewrite.
10649 (pushsf mem peep2): New.
10650 (testhi to andhi peep2): Remove.
10651 * i386.h (x86_promote_QImode): New.
10652 (TARGET_PROMOTE_QImode): New.
10653 (PREDICATE_CODES): Add promotable_binary_operator.
10654 * i386.c (x86_promote_QImode0: New.
10655 (promotable_binary_operator): New.
10656 * i386-protos.h (promotable_binary_operator): New.
10658 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10660 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10662 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10664 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10665 * function.c (insert_block_after_note): Remove.
10666 (retrofit_block): Likewise.
10667 (identify_blocks): Fix indentation.
10668 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10669 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10670 * function.h (insert_block_after_note): Remove prototype.
10671 (retrofit_block): Likewise.
10672 * integrate.c (expand_inline_function): Don't call
10673 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10674 just expand_start_bindings. Use the block_map to remap old
10675 NOTE_BLOCKs to new ones.
10676 (integrate_decl_tree): Keep track of remapped blocks.
10677 * integrate.h (struct inline_remap): Add block_map.
10678 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10679 NOTE_BLOCK on the notes.
10680 (expand_start_bindings): Rename to ...
10681 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10682 (expand_end_bindings): Set NOTE_BLOCK.
10683 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10684 reconstruct the BLOCK tree.
10685 * tree.h (expand_start_bindings): Macroize. Call ...
10686 (expand_start_bindings_and_block): New function.
10688 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10690 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10691 to match the format.
10693 1999-12-16 David S. Miller <davem@redhat.com>
10695 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10696 the outputs is a SUBREG.
10697 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10700 * config/sparc/sparc.c (epilogue_renumber): Add default case
10703 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10705 * toplev.c (rest_of_compilation): Run branch shortening after
10708 * regclass.c (loop_depth): Remove
10709 (scan_one_insn): Do not handle LOOP_NOTE insns.
10710 (regclass): Go through basic blocks and set loop_cost
10712 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10714 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10716 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10718 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10719 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10720 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10722 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10724 * loop.c (insert_loop_mem): Ignore memory clobbers.
10726 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10729 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10731 * profile.c: Remove redundant #include "output.h".
10733 * h8300.md (HImode preinc peephole): Fix typo.
10735 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10737 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10738 (insert_block_after_note): Abort if we don't have a previous block.
10739 Remove FN parameter.
10740 * function.h: Adjust.
10742 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10744 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10745 argument more than once.
10747 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10749 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10751 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10753 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10755 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10757 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10758 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10759 update stack_alignment_needed.
10760 (prepare_function_start): Initialize stack_alignment_needed
10761 * function.h (struct function): Add field stack_alignment_needed.
10763 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10765 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10766 Handle live_throughout / dead_or_set instead of live_before /
10768 (save_call_clobbered_regs): Get register livenessinformation from
10769 chain->live_throughout.
10770 (add_stored_regs): New function.
10771 (insert_restore, insert_save): Add restored / saved registers to
10773 * global.c (reg_dies): New parameter chain.
10774 (reg_becomes_live): Third parameter is regs_set now.
10775 Changed all callers.
10776 (reg_dies): New parameter chain. Changed all callers.
10777 (build_insn_chain): Set live_throughout instead of
10778 live_before / live_after.
10779 * reload.h (struct insn_chain): Replace members live_before /
10780 live_after with live_throughout / dead_or_set.
10781 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10782 instead of live_before / live_after.
10783 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10784 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10785 (choose_reload_regs_init): Likewise.
10786 * stupid.c (current_chain, find_clobbered_regs): Delete.
10787 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10788 instead of chain->live_before / chain->live_after.
10789 (mark_hard_ref): New function.
10790 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10792 1999-12-15 David S. Miller <davem@redhat.com>
10794 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10796 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10798 * flow.c (calculate_loop_depth): Make global, remove prototype,
10799 rewrite to use new loop infrastructure.
10800 (find_basic_block): Remove calculate_loop_depth call.
10801 * toplev.c (rest_of_compilation): Call find_basic_block.
10802 * output.h (calculate_loop_depth): Declare.
10804 * flow.c (dump_flow_info): Dump loop_depth.
10805 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10807 (flow_loops_find): Initialize the loop_depth for each basic block.
10809 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10811 * tree.c (decl_function_context): Handle virtual functions.
10813 * tlink.c (scan_linker_output): Don't look in demangled name when
10814 looking for linker output keywords.
10816 * dwarfout.c (output_type): We can defer namespace-scope classes.
10818 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10820 * regclass.c (record_reg_classes): Update comment for merging
10821 register class preferences in reg->reg copies. Tighten conditions
10822 for merging register class preferences in reg->reg copies.
10824 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10826 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10828 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10830 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10831 (INIT_SECTION_ASM_OP): Delete.
10832 (FINI_SECTION_ASM_OP): Delete.
10833 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10835 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10837 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10838 the abstract origin wasn't emitted.
10840 * dwarf2out.c (class_scope_p): New fn.
10841 (gen_subprogram_die): Use it.
10842 (gen_variable_die): Use it. Tweak logic.
10843 (gen_struct_or_union_type_die): Check context_die to determine
10844 if we're function-local.
10845 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10847 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10849 * loop.c (check_dbra_loop): Can't reverse a biv that has
10850 maybe_multiple set.
10852 1999-12-14 Nick Clifton <nickc@cygnus.com>
10854 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10857 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10859 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10860 for givs made from biv increments.
10862 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10864 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10865 * alpha.c (override_options): Recognize -mcpu=ev67.
10866 * alpha.h (CPP_CPU_EV67_SPEC): New.
10867 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
10868 (EXTRA_SPECS): Update.
10870 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
10872 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
10873 appropriate for -lang-c89 and -std=*.
10874 * cppinit.c (cpp_handle_option): Likewise.
10875 (new_pending_define): New, split out from cpp_handle_option.
10876 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
10877 or enable trigraphs for -ansi/-std=*.
10879 * ginclude/stdarg.h (__va_copy): New.
10880 (va_copy): Don't define for C89.
10882 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
10884 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
10885 for long long multiply-accumulate.
10887 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10889 * regclass.c (scan_one_insn): Set loop_cost to 1 when
10890 optimizing for size.
10892 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10894 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
10895 if something changed. Back out that part of yesterday's changes.
10897 * loop.c (loop_max_reg): New static variable.
10898 (loop_optimize): Initialize it. Eliminate one unnecessary call to
10900 (scan_loop): Call reg_scan_update whenever we may have added new
10901 registers, and update loop_max_reg.
10903 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10905 * regclass.c (record_reg_classes): Do not do the copying preferrencing
10906 when source does not die.
10908 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
10910 1999-12-14 Jakub Jelinek <jakub@redhat.com>
10912 * config/sparc/linux64.h (TARGET_LIVE_G0,
10913 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
10915 * config/sparc/linux.h (TARGET_LIVE_G0,
10916 TARGET_BROKEN_SAVERESTORE): Likewise.
10917 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10918 TARGET_BROKEN_SAVERESTORE): Likewise.
10920 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
10921 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
10923 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
10924 as sparc64 block profiling register.
10925 * config/sparc/sparc.c (sparc_override_options): Allow block
10926 profiling with -m32.
10927 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
10928 profiling register.
10929 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
10930 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
10931 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
10933 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
10935 * config/sparc/sparc.h: Likewise.
10936 * config/sparc/xm-sysv4-64.h: Likewise.
10937 * config/float-sparc.h: Likewise.
10938 * glimits.h: Likewise.
10939 * longlong.h: Likewise.
10941 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
10942 (ASM_IDENTIFY_GCC): Remove.
10944 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10946 * combine.c (combine_simplify_rtx): Don't make shared rtl.
10947 (simplify_logical): Likewise.
10949 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10951 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
10952 * cppfiles.c (INO_T_EQ): Likewise.
10954 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10956 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
10957 * i386/mingw32.h (LIB_SPEC): Likewise.
10958 (STARTFILE_SPEC): Likewise.
10959 * i386/uwin.h (LIB_SPEC): Likewise.
10960 (STARTFILE_SPEC): Likewise.
10962 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
10963 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
10965 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
10967 * combine.c (combine_simplify_rtx): Fix order of checks for
10968 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
10970 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
10972 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
10973 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
10975 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10977 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
10979 * regclass.c (inv_reg_alloc_order): New array.
10980 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
10982 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
10983 counted_for_groups, counted_for_nongroups. Add fields rld and
10985 * reload.c (push_secondary_reload): Don't set nongroup field of
10987 (push_reload): Likewise.
10988 (find_reloads): Delete code to compute nongroup fields.
10989 * reload1.c (reload_insn_firstobj): New static variable.
10990 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
10992 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
10993 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
10994 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
10996 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
10998 (struct hard_reg_n_uses): Deleted.
10999 (potential_reload_regs): Deleted.
11000 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11001 (reload): Don't try to allocate reload registers if we already know
11002 we have to make another pass. Call select_reload_regs. Free memory
11003 starting with reload_firstobj when starting another pass.
11004 Don't allocate spilled_pseudos.
11005 (calculate_needs_all_insns): Call copy_reloads for an insn that
11006 needs reloads; don't call calculate_needs.
11007 (spill_cost): New static array.
11008 (used_spill_regs_local): New static variable.
11009 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11010 to compute potential_reload_regs.
11011 (find_reload_regs): Completely rewritten to use find_reg.
11012 (allocate_reload_reg): Don't test counted_for_groups or
11013 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11014 all cllers changed.
11015 (choose_reload_regs): Add fallback code that uses the existing
11016 register allocation from find_reload_regs.
11018 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11020 * flow.c (create_edge_list): Cast xmalloc return value.
11022 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11024 * doprnt.c: Remove incorrect comment closure.
11026 * cse.c: Fix a few minor whitespace goofs.
11028 1999-12-13 Don Bowman <don@pixstream.com>
11030 * mips/vxworks.h: Fix problem with comment termination.
11031 (EXTRA_SECTIONS): Add in_sbss.
11032 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11034 1999-12-12 David S. Miller <davem@redhat.com>
11036 * cse.c (struct cse_reg_info): Add hash_next member,
11037 reorder rest of struct for better packing on 64-bit
11039 (cse_reg_info_tree): Kill.
11040 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11041 REGHASH_FN): New custom pow2 hash mechanism.
11043 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11044 use a pow2 hash table.
11045 (get_cse_reg_info): Rework to use new REGHASH.
11046 (new_basic_block): Likewise, use HASH_SIZE, and inline
11048 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11049 and inline free_element call.
11050 (lookup_as_function, insert, flush_hash_table, invalidate,
11051 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11052 invalidate_for_call, use_related_value, find_comparison_args,
11053 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11054 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11055 get_element): Kill.
11057 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11059 * cse.c (cse_basic_block): Free qty_table consistently.
11061 1999-12-12 David S. Miller <davem@redhat.com>
11062 Jakub Jelinek <jakub@redhat.com>
11064 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11065 SUBREGs by hand, gen the appropriate hard reg directly.
11066 (movtf reg/mem split): Likewise and alter_subreg on destination
11068 (movtf mem/reg split): Similarly.
11069 (movdf_cc_sp64): Rename from hidden pattern.
11070 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11071 (movtf_cc_sp64, following split): New pattern and splitter.
11072 (movdf_cc_reg_sp64): Rename from hidden pattern.
11073 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11075 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11077 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11079 * loop.c (load_mems): Don't hoist written floating point mem
11082 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11084 * except.h (struct eh_queue): Add `next' pointer.
11085 (struct eh_status): Make x_ehqueue a pointer.
11086 (push_ehqueue): Declare.
11087 (pop_ehqueue): Likewise.
11088 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11090 (expand_fixup_region_end): Likewise.
11091 (expand_leftover_cleanups): Likewise.
11092 (push_ehqueue): Define.
11093 (pop_ehqueue): Likewise.
11094 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11095 than doing it inline.
11096 (expand_start_all_catch): Adjust now that ehqueue is a
11098 (mark_eh_queue): Mark all level of the queue.
11099 (mark_eh_status): Adjust now that ehqueue is a
11101 (init_eh_for_function): Allocate ehqueue.
11102 (free_eh_status): Free it.
11103 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11104 expansion for a fixup.
11106 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11108 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11110 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11111 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11112 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11113 function_ptr, getpagesize, __enable_execute_stack,
11114 __enable_execute_stack, __clear_insn_cache,
11115 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11116 _cleanup, _exit, __default_terminate, __terminate_func,
11117 __terminate, __empty, __throw, new_eh_context,
11118 eh_context_initialize, eh_context_static, eh_context_specific,
11119 get_eh_context, __get_eh_context, __get_eh_info,
11120 init_reg_size_table, eh_threads_initialize,
11121 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11122 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11123 __pure_virtual): Add prototype arguments.
11124 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11125 Cast a signed value to unsigned long when comparing against one.
11126 (new_eh_context): Wrap in _GTHREADS macro.
11127 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11129 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11130 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11132 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11134 * combine.c (record_promoted_value): Remove unused variable
11137 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11139 * global.c (record_conflicts): Likewise for `j'.
11141 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11144 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11146 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11147 output_fp_compare): Constify a char*.
11149 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11151 (override_options, ix86_comp_type_attributes, print_operand,
11152 output_387_binary_op, output_fix_trunc, output_fp_compare):
11154 (ix86_sched_reorder): Mark parameter `clock_var' with
11157 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11159 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11161 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11162 operand, for use in the Java front-end.
11164 1999-12-10 Ben Collins <bcollins@debian.org>
11166 * configure.in: Fix typo for "-64" in 64bit as check.
11167 * configure: Rebuilt.
11169 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11171 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11174 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11176 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11177 concatenation is utilized.
11179 * invoke.texi (-Wtraditional): Document it.
11181 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11183 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11184 Cast a ptrdiff_t to long and pass it to printf with %ld.
11186 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11188 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11189 68881, we have no 68881 registers at all.
11190 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11191 value in a 68881 register if it is available.
11193 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11195 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11196 for long long multiply-accumulate.
11198 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11200 * loop.c (insert_loop_mem): Undo last change.
11202 1999-12-10 David S. Miller <davem@redhat.com>
11204 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11206 * config/sparc/sparc-protos.h: Add them.
11207 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11208 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11209 constraints which use those helpers.
11210 (EXTRA_CONSTRAINT): Use this new macro.
11211 * md.texi: Update sparc target constraints documentation.
11212 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11213 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11214 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11215 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11216 (movsf high/lo_sum split): Rework for new patterns.
11217 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11219 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11221 * c-common.c (c_common_nodes_and_builtins):
11222 Create __builtin_ptrdiff_t and __builtin_size_t.
11224 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11226 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11228 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11230 * regclass.c (globalize_reg): Re-instate test that allows
11231 fixed registers to be declared as a variable even after functions
11234 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11236 * i386.md (cpu attribute): Add "athlon".
11237 (athlon_decode): New attribute.
11238 (Athlon scheduling units definitions): New.
11239 (fcmp and shld patterns): Set athlon_decode to "vector".
11240 * i386.c (athlon_cost): New.
11242 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11243 x86_use_sahf): Set for Athlon.
11244 (x86_use_fiop): Unset for Athlon.
11245 (override_options): Define Athlon alignments and "athlon" name.
11246 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11247 * i386.h (TARGET_ATHLON): New.
11248 (enum processor_type): Add PROCESSOR_ATHLON.
11249 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11251 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11253 1999-12-09 Andreas Jaeger <aj@suse.de>
11255 * loop.c (record_biv): Declare parameter as int.
11257 * config/i386/i386-protos.h: Declare long_memory_operand.
11259 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11261 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11262 EXPR_WITH_FILE_LOCATION.
11264 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11266 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11269 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11271 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11274 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11276 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11277 default on linux64 again.
11278 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11279 models for multilibing.
11280 * genmultilib: Accept | as alternative separator within a set in
11283 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11285 * calls.c (precompute_arguments): Make sure initial_value contains
11286 value pseudo which CSE expects.
11287 * cse.c (struct set): New entry orig_src.
11288 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11291 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11293 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11295 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11297 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11299 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11301 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11302 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11304 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11307 * longlong.h: Merge in changes from glibc.
11308 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11309 -mno-app-regs libgcc can be compiled.
11310 * libgcc2.c: Add defines so that the updated longlong.h
11311 can be used in libgcc2.a. Also, make sure on most architectures
11312 (at least on all which have optimized code in longlong.h defined
11313 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11315 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11317 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11318 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11319 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11321 * configure: Rebuilt.
11323 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11325 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11326 outputs require a register.
11328 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11330 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11331 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11332 functions like dptoul will be resolved.
11333 (libgcc2.a): Make sure that the object files from DPBIT are named
11334 differently (prefix `_dp') from those that would be coming from
11337 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11339 * configure.in: When target is sparc* and tm_file contains 64,
11340 test for 64bit support in assembler. If not supported, remove
11341 sparc/t-sol2-64 from target-dependent Makefile fragments.
11342 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11343 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11344 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11345 * acconfig.h (AS_SPARC64_FLAG): Added.
11346 * configure, config.in: Rebuilt.
11347 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11348 support. Use AS_SPARC64_FLAG.
11350 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11352 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11353 suitable for holding OFmode values so that gcc works with complex
11355 (hard_64bit_mode_classes): Likewise.
11357 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11358 so that it is actually matched.
11359 (sethi_di_medlow): Likewise.
11361 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11362 as legitimate constant if -mvis.
11363 * config/sparc/sparc.md (movtf): Likewise.
11364 (clear_sf): Use const_double_operand.
11365 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11367 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11368 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11369 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11370 routines, _Qp_* cannot be handled like that now.
11371 (INIT_TARGET_OPTABS): Likewise.
11372 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11373 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11374 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11375 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11376 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11377 divtf3, sqrttf3): New expanders.
11378 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11379 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11380 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11383 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11384 * configure: Rebuilt.
11385 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11386 -mcpu is given and we're doing 64bit compiles.
11388 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11390 * loop.h (struct induction): Add multi_insn_incr.
11391 * loop.c (basic_induction_var): New multi_insn_incr argument.
11392 Set it if we search back through previous insns for the biv.
11393 (record_biv): New multi_insn_incr argument; fill in struct induction.
11394 (strength_reduce): Discard an iv with multiple bivs, any of
11395 which require multiple insns to increment.
11397 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11399 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11402 1999-12-06 David S. Miller <davem@redhat.com>
11404 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11405 PROMOTE_FUNCTION_RETURN.
11407 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11409 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11410 and handle REG_UNUSED note on insn.
11412 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11413 inner_mask instead of mask.
11415 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11417 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11418 zero if there was an error.
11420 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11422 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11425 * longlong.h: Fix clobbers in SPARC asm statements.
11427 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11428 valid sethi operations when TARGET_ARCH64.
11430 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11431 always use move_by_pieces to avoid infinite recursion.
11432 (restore_fixed_argument_area): Likewise.
11434 * combine.c (check_promoted_subreg, record_promoted_value): New
11436 (combine_instructions): Use them to retain nonzero and sign bit
11437 information after SUBREGs are eliminated by optimizations in
11438 this pass if PROMOTE_FUNCTION_RETURN.
11440 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11441 .register declaration. Don't use variables with __ prefixes.
11443 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11445 * fold-const.c (optimize_bit_field_compare): Only use one mode
11446 for both RHS and LHS in non-constant case.
11448 1999-12-06 Nathan Sidwell <nathan@acm.org>
11450 * frame.c (start_fde_sort): Only allocate erratic array, if
11451 linear one was allocated. Return allocated flag.
11452 (fde_insert): Only insert, if there's a valid array.
11453 (fde_end_sort): Split, sort and merge if linear and erratic
11454 arrays exist, else just sort linear one.
11455 (search_fdes): New function. Linear search through original fde
11457 (frame_init): Permit multiple initializations. Cope with
11459 (find_fde): Fallback on linear search, if failed to sort array.
11460 (__deregister_frame_info): Only free sorted array, if we
11463 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11465 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11467 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11469 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11471 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11473 * tree.h (special_function_p): Declare.
11474 * calls.c (special_function_p): Make it global. Don't take `name'
11475 as a parameter. Fix typo in 1999-11-28 change.
11476 (expand_cal): Adjust.
11478 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11480 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11481 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11482 EXPR_WFL_FILENAME_NODE.
11483 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11485 * print-tree.c (print_note): Print TREE_PRIVATE and
11488 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11489 the original die cannot be found.
11491 * varray.h (varray_head_tag): Add elements_used.
11492 (VARRAY_PUSH): New macro.
11493 (VARRAY_POP): Likewise.
11494 (VARRAY_TOP): Likewise.
11495 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11497 * varray.c (varray_init): Initialize elements_used.
11498 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11499 (INTEGRATE_H): New variable.
11500 (integrate.o): Depend on INTEGRATE_H.
11501 (unroll.o): Likewise.
11503 * function.h (insert_block_after_note): Declare.
11504 * function.c (insert_block_after_note): Split out from ...
11505 (retrofit_block): ... here.
11507 * stmt.c (expand_fixup): Fix typo in comment.
11509 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11511 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11512 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11513 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11514 (regmove_optimize, fixup_match_1): Likewise.
11516 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11518 * flow.c (flow_loops_dump): Add missing argument when calling
11519 flow_loop_nested_p.
11521 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11522 Greg McGary <gkm@gnu.org>
11524 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11525 (init_attributes): Add A_NO_LIMIT_STACK.
11526 (decl_attributes): Handle A_NO_LIMIT_STACK.
11527 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11528 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11529 Handle stack bounds checking.
11530 * flags.h (flag_stack_check): Use the word 'probe' rather than
11531 'check', because the flag doesn't actually cause any checking to
11533 * function.c (expand_function_start): Set
11534 current_function_limit_stack.
11535 * function.h (struct function): Add limit_stack.
11536 (current_function_limit_stack): Define.
11537 * invoke.texi (Code Gen Options): Document new options.
11538 * rtl.h: Declare stack_limit_rtx.
11539 * toplev.c (stack_limit_rtx): New variable.
11540 (decode_f_option): Handle new options -fstack-limit-register=REG,
11541 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11542 (main): Add stack_limit_rtx as GC root.
11543 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11544 (struct tree_decl): New member no_limit_stack.
11546 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11548 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11549 (conditional_trap+1): Get new mnemonic correct.
11550 (conditional_trap+2): New pattern for DImode traps.
11552 * config/m68k/m68k.c (output_function_prologue): Handle
11554 * config/m68k/m68k.md (trap): New insn.
11555 (conditional_trap): New insn.
11556 * md.texi (Standard Names): Document `trap' and
11557 `conditional_trap'.
11558 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11559 so a cc0 setter doesn't get emitted at some random place in the
11562 * config/i960/i960.md (trap): New insn.
11563 (conditional_trap): New expander.
11564 (conditional_trap+1, conditional_trap+2): New insns for signed
11565 and unsigned cases.
11566 * config/i960/i960.c (i960_function_prologue): Use
11567 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11569 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11570 Geoffrey Keating <geoffk@cygnus.com>
11572 * flags.h (warn_padded, warn_packed): Add global var decls.
11573 * toplev.c (warn_padded, warn_packed): Add global var defns.
11574 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11575 * stor-layout.c (layout_record): Add local variable `type'
11576 to hold often-used TREE_TYPE (field). Add local variable
11577 `unpacked_align' to hold alignment that would be in force
11578 if no `packed' attribute were present. Warn if `packed' attribute
11579 is unnecessary, or even harmful. Warn when gcc inserts padding
11580 to satisfy alignment requirements of members. Use NULL_TREE
11581 when checking whether var_size is set.
11582 * invoke.texi: Document new flags.
11584 1999-12-03 Nathan Sidwell <nathan@acm.org>
11586 * frame.c (fde_split): Reimplement to avoid variable sized array.
11588 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11590 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11591 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11593 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11595 * invoke.texi: Document the mips option -mno-crt0
11597 1999-12-02 Mike Karr <mkarr@mathworks.com>
11599 * cccp.c (argdata): Added free_ptr member.
11600 (macroexpand): Initialize free_ptr of each argument. When an
11601 argument's buffers are freed, if the argument's free_ptr corresponds
11602 to a buffer on the input stack, then return the free_ptr to that stack
11603 frame, otherwise, free it.
11604 (macarg): If an argument begins and ends on the same input stack level,
11605 then transfer the free_ptr of that buffer to the argument in case
11606 the stack is popped during the processing of a subsequent argument.
11608 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11610 * loop.c (note_reg_stored): New function.
11611 (struct note_reg_stored_arg): New structure.
11612 (try_copy_prop): Change to be more conservative; only replace within
11613 one extended basic block and stop replacing if a store to the
11614 replacement reg is seen.
11616 1999-12-02 Nick Clifton <nickc@cygnus.com>
11618 * config/fp-bit.c: Initialise all fields of the NAN
11621 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11624 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11626 * i386.md (extend?f?f2): Force the input into a register, not
11629 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11631 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11633 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11634 alternative because setting up 64bit constant is usually costly,
11635 especially when reload is in progress or completed.
11636 (movdf_const_intreg_sp64): Likewise.
11637 (movdf_const_intreg split): Fix building up constants when
11638 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11640 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11642 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11643 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11646 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11647 (asm_file_start): Emit .am33 into assembly file when compiling for
11649 (print_operand_address): Handle POST_INC addresses.
11650 (can_use_return_insn, initial_offset): Check AM33 registers too.
11651 (expand_prologue): Check & save AM33 registers too.
11652 (expand_epilogue): Similarly.
11653 (secondary_reload_class): Handle AM33 specific secondary reloads.
11654 (output_tst): Emit efficient code for the AM33 too.
11655 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11656 (TARGET_SWITCHES): Add -mam33 switch.
11657 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11658 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11659 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11660 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11661 (enum reg_class, REG_CLASS_NAMES): Likewise.
11662 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11663 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11664 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11665 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11666 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11667 (HAVE_POST_INCREMENT): Define.
11668 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11669 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11670 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11671 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11672 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11673 (zero_extend to SI from QI/HI): Likewise.
11674 (sign_extend to SI from QI/HI): Likewise.
11675 (mulsidi3, umulsidi3): New patterns for the AM33.
11676 (tstsi with zero extension from QI/HI): Add AM33 variants.
11677 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11678 (return_internal_regs, store_movm): Handle new AM33 registers.
11679 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11680 (LIBGCC, INSTALL_LIBGCC): Likewise.
11681 * invoke.texi: Document new flags.
11683 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11685 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11686 (addsi3_carry): Likewise.
11687 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11688 (sbbsi3_carry): Likewise.
11689 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11690 (mulhi3): Likewise.
11691 (test?i_1): Ensure that only one operand is memory.
11692 (conditional move patterns): likewise.
11693 (shift and rotate patterns): Rewrite to expander, add
11694 "binary_operator_ok" to the condition.
11696 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11697 * i386.h (procesor_costs): Add movzbl_load field.
11698 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11699 non-Q registers, accept DImode registers anywhere.
11701 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11702 * i386.c (*_cost): Set value for movxbl_load field.
11704 * (addsi): New add to lea splitter.
11705 (ashlsi): Likewise.
11706 (lea to add/shift peep2): New.
11708 1999-12-01 Mark Salter <msalter@cygnus.com>
11710 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11711 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11712 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11714 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11716 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11717 * i386.md (movsi_xor): New.
11719 (movsi_1, movhi_1, movqi_1): Remove.
11720 (movsi_2): Rename to movsi_1.
11721 (movhi_2): Rename to movhi_1.
11722 (movqi_2): Rename to movqi_1.
11723 (movdi_1): Remove; remove splitter.
11724 (movdi_2): Rename to movdi_1.
11725 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11726 (long move peep2): Do not create QI or HI mode mov0s
11727 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11729 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11732 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11733 (abs?f2_if): Likewise.
11735 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11737 * ggc.h (ggc_test_and_set_mark): New macro.
11738 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11739 (ggc_mark_tree): Likewise.
11740 (ggc_mark_rtvec): Likewise.
11741 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11743 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11745 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11747 (decl_scope_table): Just an array of trees now.
11748 (push_decl_scope): Simplify.
11749 (dwarf2out_init): Adjust.
11750 (local_scope_p): New fn.
11751 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11752 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11753 (gen_typedef_die): Likewise.
11754 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11755 (gen_inlined_subroutine_die): Likewise.
11756 (gen_abstract_function): Set current_function_decl temporarily.
11757 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11758 Handle block extern declarations. Don't call push/pop_decl_scope.
11759 (gen_decl_die): Fix logic for block externs.
11761 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11763 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11764 to the list of functions which have attribute malloc by default.
11766 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11768 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11769 integer constant does not match the traditional type, limit the
11770 warnings to cases where the base of the type is ten.
11772 * invoke.texi (-Wtraditional): Document it.
11774 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11776 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11777 * rs6000.md: Only access a CONST_INT with INTVAL
11779 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11781 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11782 (compute_nearerout): Likewise.
11783 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11784 size_t to unsigned long for formatting.
11786 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11788 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11789 Allow the user to override call-used/fixed state of %g2-5
11790 registers from the command line (with the exception of %g4 for
11792 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11793 there is a higher chance of having a leaf function.
11794 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11795 for ARCH64 which has %ccr register.
11796 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11798 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11799 insn accept into delay slot any insn which does not use %[ol]
11800 registers. Accept some LO_SUM and shift left by 1 for the normal
11802 (output_function_epilogue): Likewise.
11803 (epilogue_renumber): Added argument which inhibits any renumbering
11804 and just tests if the rtx does not use any %[ol] registers.
11805 (output_return): Reflect above change.
11807 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11809 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11810 aggregate passing for sizes <= 16 bytes.
11812 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11814 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11815 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11816 * reload.c (find_dummy_reload): Likewise.
11817 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11818 * reload1.c (reload_as_needed): Likewise.
11819 * stupid.c (stupid_find_reg): Likewise.
11820 * tm.texi (Obsolete Register Macros): Delete section.
11821 * gmicro.h: Remove all traces of the two macros.
11822 * i386.h: Likewise.
11823 * m88k.h: Likewise.
11824 * mips.h: Likewise.
11826 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11828 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11829 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11830 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11831 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11832 units for the sparclite86x chip.
11833 (flush): Revert October 14th change; add SImode specifically.
11834 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11835 * invoke.texi: Document it.
11837 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11839 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11840 psimode_truncation_operand.
11842 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11843 function. Return true if the operand is either a MEM valid
11844 for a PSImode address or not a MEM at all.
11846 * config/mn10200/mn10200.md (truncsipsi2): Use
11847 psimode_truncation_operand.
11849 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11851 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11852 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11853 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11854 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11855 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11856 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11857 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11858 * basic-block.h: Protect from multiple inclusion.
11859 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11860 (struct loops, struct loop): Define structures.
11861 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11862 * sbitmap.h: Protect from multiple inclusion.
11863 (sbitmap_a_subset_b_p): Add prototype.
11864 * Makefile.in (LOOP_H): New macro.
11865 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11867 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
11869 * cppinit.c (CAT): The argument list of this macro may not contain
11872 1999-11-29 David S. Miller <davem@redhat.com>
11874 Move quantity tables and register equivalence chains into
11875 per-qty and per-register structure arrays respectively.
11876 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
11877 qty_const_insn, qty_comparison_code, qty_comparison_const,
11878 qty_comparison_qty): Delete, replace with...
11879 (qty_table): this structure table.
11880 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
11881 (reg_eqv_table): this structure table.
11882 (make_new_qty): Add argument MODE. Caller updated.
11883 Update to use qty_table and reg_eqv_table.
11884 (make_regs_eqv, delete_reg_equiv, insert_regs,
11885 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
11886 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
11887 cse_process_notes, cse_main, cse_basic_block): Likewise.
11889 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11891 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
11892 operation if C is negative.
11893 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
11894 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
11895 law for some divisions if constant is negative and change other
11896 divisions to the opposite rounding.
11898 * expr.c (store_constructor_field): If bit position is not multiple
11899 of alignment of TARGET's mode, use BLKmode.
11901 * expr.c (expand_expr_unaligned): Add more code from full case
11902 that is needed when OP0 is in a register.
11904 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11906 * dwarfout.c (field_byte_offset): Size can be zero if there was
11909 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11911 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
11912 (associate_trees): Delete unused var TEM.
11913 (extract_muldiv): Delete unused var CANCEL_P.
11915 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
11916 (target_isinf, target_isnan, target_negative): Add return types to
11917 function definitions.
11919 1999-11-29 Bruce Korb <autogen@linuxbox.com>
11921 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
11922 * fixinc/hackshell.tpl: ditto
11923 * fixinc/fixtests.c(double_slash_test): more C++ header testing
11924 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
11926 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11928 * reload.c (push_reload): When looking for a register to put into
11929 reg_rtx, make sure all hard regs in a multi-reg register are in the
11930 right class and nonfixed.
11932 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
11933 pending_read_insns, pending_write_insns, pending_read_mems,
11934 pending_write_mems, pending_list_length, last_pending_memory_flush,
11935 last_function_call, sched_before_next_call): Move static variables
11937 (bb_ prefixed versions): Replace with single array bb_deps.
11938 (struct deps): New structure.
11939 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
11940 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
11941 argument of type "struct deps *"; use that instead of global
11942 variables. All callers changed.
11943 (init_rgn_data_dependencies): Delete function.
11944 (init_rtx_vector): Delete function.
11945 (init_deps): New function.
11947 (free_pending_lists): Simplify, we always use the bb_deps array even
11948 if only one basic block.
11949 (compute_block_backward_dependences): Likewise.
11950 (schedule_region): Likewise.
11952 (propagate_deps): New function, broken out of
11953 compute_block_backward_dependences.
11954 (compute_block_backward_dependences): Use it.
11956 * alpha.md: Delete useless patterns that tried to work around
11957 register elimination problems.
11959 * unroll.c (loop_iterations): Don't abort if iteration variable
11962 From Joern Rennecke:
11963 * reload1.c (reloads_conflict): Reverse test comparing operand
11964 numbers when testing for conflict between output/outaddr reloads.
11966 1999-11-29 David S. Miller <davem@redhat.com>
11968 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
11970 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
11972 1999-11-28 Robert Lipe <robertl@cygnus.com>
11974 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
11975 table from .fini into .dtor.
11977 1999-11-28 Anthony Green <green@cygnus.com>
11979 * tree.h (struct tree_decl): Add malloc_flag.
11980 (DECL_IS_MALLOC): Define.
11981 * c-common.c (attrs): Add A_MALLOC attribute.
11982 (init_attributes): Add this attribute to the table.
11983 (decl_attributes): Handle malloc attribute.
11984 * calls.c (special_function_p): Check for the malloc attribute.
11985 * extend.texi (Function Attributes): Document malloc attribute.
11987 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
11989 * pa.md (reload shift-add patterns): Remove.
11991 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11993 * reorg.c (dbr_schedule) Print more statistics. Corrected
11994 problem when printing info when 3 delay slots are filled.
11996 1999-11-28 Jakub Jelinek <jakub@redhat.com>
11998 * combine.c (setup_incoming_promotions): Pass an outgoing
11999 regno to FUNCTION_ARG_REGNO_P which it expects.
12001 1999-11-28 Andreas Jaeger <aj@suse.de>
12003 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12005 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12007 * cccp.c (do_include): Avoid initialization of automatic variable.
12009 * integrate.c (mark_stores): Function definition made void, to match
12010 previous declaration.
12011 * regclass.c (dump_regclass): Ditto.
12012 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12014 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12016 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12017 known to be multiple of divisor.
12019 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12021 * combine.c (try_combine): Add code to try to merge a set of a
12022 two-word pseudo to a constant with a setting of one of those words
12025 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12026 (split_tree): Completely rework to make more general.
12027 (make_range, fold): Call negate_expr.
12028 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12029 (fold, associate): Call new split_tree and associate_trees.
12030 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12032 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12034 * loop.c (try_copy_prop): Avoid GNU C extension.
12036 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12038 * except.c (init_eh_for_function): Still zero eh_return_context,
12039 eh_return_stack_adjust, and eh_return_handler.
12041 * except.h (eh_status): Adjust documentation for x_protect_list.
12042 (begin_protect_partials): New function.
12043 * except.c (enqueue_eh_entry): Fix formatting.
12044 (get_first_handler): Add consistency check.
12045 (add_partial_entry): Adjust usage of protect_list.
12046 (emit_cleanup_handler): Save and restore ehqueue.
12047 (expand_start_all_catch): Add comment.
12048 (begin_protect_partials): New function.
12049 (end_protect_partials): Adjust usage of protect_list.
12050 (init_eh_for_function): Use xcalloc.
12052 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12054 * c-common.c (check_format_info): Don't call a variadic function
12055 with a non-literal format string.
12057 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12059 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12060 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12063 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12066 * collect2.c (collect_wait): Likewise.
12068 * dbxout.c (dbxout_type): Likewise.
12070 * gcc.c (do_spec_1): Likewise.
12072 * genemit.c (gen_insn, gen_expand): Likewise.
12074 * genrecog.c (write_switch, write_subroutine): Likewise.
12076 * mips-tfile.c (catch_signal, botch): Likewise.
12078 * print-rtl.c (print_rtx): Likewise.
12080 * toplev.c (default_print_error_function, report_error_function,
12081 _fatal_insn): Likewise.
12083 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12085 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12087 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12089 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12090 operations when needed.
12091 * i386.md (fop_?f_comm): New.
12092 (fop_?f_1): Do not accept commutative operands.
12094 1999-11-25 Andreas Jaeger <aj@suse.de>
12096 * config/mips/mips.md (casesi_internal): Add missing brace.
12098 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12100 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12101 (splice_child_die): Handle moving a child DIE from the declaration
12102 DIE of a class to its specification.
12103 (gen_struct_or_union_type_die): Use 'complete' consistently.
12104 (gen_decl_die): Generate the virtual context DIE first.
12105 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12107 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12109 * config/mips/mips.md (call_value_multiple_interanal1): New.
12111 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12113 * dwarf2out.c (free_AT, free_die): New fns.
12114 (remove_children): Call them.
12115 (output_line_info): Disable removal of duplicate notes.
12117 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12118 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12119 means pretend the type isn't defined.
12120 Don't defer emitting types.
12121 (gen_type_die_for_member): New fn.
12122 (gen_decl_die): Call it.
12123 (splice_child_die): New fn.
12124 (gen_member_die): Call it rather than generate duplicate dies.
12126 Defer emitting information for the abstract instance of an inline
12127 until we either inline it or emit an out-of-line copy.
12128 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12129 from output_inline_function if DECL_ABSTRACT is also set.
12130 (block_ultimate_origin): Likewise.
12131 (gen_abstract_function): New fn.
12132 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12133 (gen_subprogram_die): An abstract instance is not a declaration
12134 just because it doesn't match current_function_decl. Don't abort
12135 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12136 has an abstract origin.
12137 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12138 abstract instance here.
12140 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12142 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12143 where we need to reload fpul from a system register.
12145 1999-11-24 Andreas Jaeger <aj@suse.de>
12147 * config/mips/linux.h (CPP_PREDEFINES): Added.
12148 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12150 1999-11-24 Andreas Jaeger <aj@suse.de>
12152 * config/mips/linux.h (TARGET_VERSION): Added.
12153 (HANDLE_SYSV_PRAGMA): Added.
12154 (DEFAULT_VTABLE_THUNKS): Added.
12156 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12158 * local-alloc.c (qty): New structure and static variable.
12159 (qty_phys_reg): Remove, all references changed to qty.
12160 (qty_n_refs): Likewise.
12161 (qty_min_class): Likewise.
12162 (qty_birth): Likewise.
12163 (qty_death): Likewise.
12164 (qty_size): Likewise.
12165 (qty_mode): Likewise.
12166 (qty_n_calls_crossed): Likewise.
12167 (qty_alternate_class): Likewise.
12168 (qty_changes_size): Likewise.
12169 (qty_first_reg): Likewise.
12170 (alloc_qty): Rename variable QTY to QTYNO.
12171 (finf_free_reg): Likewise.
12172 (local_alloc): Allocate qty, do not allocate the removed variables.
12174 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12176 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12177 when -membedded-pic is passed.
12179 * config/mips/mips.md (casesi): Handle 64-bit case too.
12180 (casesi_internal_di): New insn.
12182 * config/mips/mips.c (embedded_pic_offset): Always make the
12183 embedded-pic subtractions relative to the name of the current
12184 function by use of the magic string "..CURRENT_FUNCTION".
12185 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12187 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12189 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12190 of (const_int 0), when what we really care about is
12191 whether it's a zero constant anyway.
12192 (div_trap_mips16): Likewise.
12194 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12196 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12197 unroll_block_trees when generating debuggable code.
12199 * tree.h (unsave_expr_1): New function.
12200 (lang_unsave): New variable.
12201 (get_callee_fndecl): New function.
12202 * tree.c (unsave_expr_now_r): New function.
12203 (lang_unsave): Define.
12204 (unsave_expr_1): Likewise.
12205 (unsave_expr_now_r): Split out from unsave_expr_now.
12206 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12207 call unsave_expr_now_r.
12208 (get_callee_fndecl): Define.
12210 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12211 (gencheck.o): Do depend on lang_tree_files.
12213 * integrate.h (copy_decl_for_inlining): New declaration.
12214 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12215 (copy_decl_for_inlining): New function.
12216 (integrate_parm_decls): Use it.
12217 (integrate_decl_tree): Likewise.
12219 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12221 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12222 the second two from the first.
12223 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12224 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12225 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12227 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12228 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12231 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12233 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12234 needed on the address operand.
12235 * pa.c (call_operand_address): Check for the correct mode.
12237 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12239 * loop.c: Include "basic-block.h".
12240 (try_copy_prop, replace_loop_reg): New functions.
12241 (load_mems): Detect registers that just hold copies of the hoisted
12242 mem, and call try_copy_prop to eliminate them.
12243 * Makefile.in (loop.o): Update dependencies.
12245 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12247 * Makefile.in (gencheck.o): Depend on gencheck.h.
12248 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12249 (insn-peep.o): Depend on except.h and function.h.
12250 (insn-attrtab.o): Depend on RECOG_H.
12251 (insn-output.o): Depend on toplev.h and flags.h.
12252 (gengenrtl.o): Depend on real.h.
12253 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12254 Unify all dependencies to be on RECOG_H rather than recog.h.
12256 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12258 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12259 * configure.in: Try building a bi-arch 32/64-bit compiler on
12260 sparc-*-solaris2.7 and higher.
12261 * configure: Rebuild.
12263 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12265 * config/freebsd.h: New, FreeBSD architecture independent file.
12266 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12267 independent pieces.
12268 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12269 directly by i386/freebsd.h.
12270 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12271 independent configuration file.
12272 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12273 directly by i386/freebsd.h.
12274 * configure: Rebuilt.
12276 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12277 which is in the user's namespace.
12278 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12279 `i386' which is not in our namespace.
12281 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12283 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12285 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12287 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12288 (add_dwarf_attr, add_child_die): Just push onto the front.
12289 (reverse_die_lists): New fn.
12290 (add_sibling_attributes): Use it.
12291 (push_decl_scope): Reorganize.
12292 (add_name_and_src_coords_attributes): Don't set file and line for
12293 an artificial decl.
12294 (gen_subprogram_die): An artificial function doesn't need to match
12296 (gen_compile_unit_die): Return the generated die. Only add
12297 AT_comp_dir if the filename is relative.
12298 (remove_AT): Simplify loop. Also free string values.
12299 (output_die): A DIE ref can't be null.
12300 (output_value_format, value_format): Take a dw_attr_ref.
12301 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12302 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12303 AT_addr, AT_lbl): New fns.
12304 (various): Use them.
12305 (various): Constify.
12307 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12309 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12310 take SUBREG_WORD into account.
12311 (if_then_else_cond): Likewise.
12313 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12315 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12316 clause from BSD license, pursuant with
12318 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12320 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12322 * loop.c (load_mems): Reformat slightly.
12323 * basic-block.h (regset_head): New typedef.
12324 (INIT_REG_SET): New macro.
12326 1999-11-22 Bruce Korb <autogen@linuxbox.com
12328 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12329 (mips-dec-bsd*): non-functional code
12330 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12332 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12333 added three replacement fixes
12334 (no_double_slash): removed comments that are not (any longer) pertinent
12335 (bad_lval): this fix currently runs against many files.
12336 The comment seems to indicate that we should select for files
12337 containing 'pragma extern_prefix'.
12339 * fixinc/fixinc.x86-linux-gnu: deleted
12340 * fixinc/inclhack.sh: regen
12341 * fixinc/fixincl.x: regen
12342 * fixinc/fixincl.sh: regen
12344 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12346 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12347 its code is INSN and it has no notes.
12349 1999-11-22 Andrew Haley <aph@cygnus.com>
12351 * varasm.c (function_defined): Remove.
12352 (make_function_rtl): Don't set function_defined.
12353 (make_decl_rtl): Remove global register warning.
12354 * regclass.c (no_global_reg_vars): New variable.
12355 (globalize_reg): Warn if function has already been defined.
12356 (regclass_init): Set no_global_reg_vars.
12358 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12360 * regclass.c (reg_pref): New structure and static variable
12361 (prefclass): Delete.
12362 (altclass): Delete.
12363 (all uses of prefclass and altclass): Use reg_pref instead.
12365 1999-11-21 Nick Clifton <nickc@cygnus.com>
12367 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12369 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12370 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12371 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12373 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12375 * varasm.c (output_constructor): Solve problem with long long
12376 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12378 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12380 * global.c (allocno): New structure and static variable.
12381 (allocno_reg): Remove, all references replaced by allocno.
12382 (allocno_size): Likewise.
12383 (hard_reg_conflicts): Likewise.
12384 (hard_reg_preferences): Likewise.
12385 (hard_reg_copy_preferences): Likewise.
12386 (hard_reg_full_preferences): Likewise.
12387 (regs_someone_prefers): Likewise.
12388 (allocno_calls_crossed): Likewise.
12389 (allocno_n_refs): Likewise.
12390 (allocno_live_length): Likewise.
12391 (find_reg): Rename ALLOCNO to NUM.
12393 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12394 references updated.
12395 (may_move_out_cost): New variable.
12396 (init_reg_sets_1): Initialize may_move_out_cost.
12397 (record_reg_classes): Use may_move_out_cost.
12399 * regclass.c (dump_regclass): New function.
12400 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12401 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12402 pass rtl_dump_file to regclass.
12403 * rtl.h (regclass): Update prototype.
12405 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12407 * i386.md (neg, not and abs patterns): Revmap to use
12408 ix86_expand_unary_operator and ix86_unary_operator_ok.
12409 (add?f and sub?f expanders): Force operand 1 to register.
12410 * i386.c (ix86_expand_unary_operator): Rewrite.
12411 (ix86_unary_operator_ok): Ensure that memory operands
12413 (ix86_binary_operator_ok): Do not allow operand 1 to
12414 come into memory and operand 0 not.
12415 (ix86_expand_binary_operator): Ensure that
12416 src1 is not non-matching memory.
12418 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12419 to support integer registers and memory.
12420 (abss?2_integer): Likewise.
12422 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12423 (REG_CLASS_NAMES): Likewise.
12424 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12426 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12427 (movsf): Likewise; unify 4th and 5th alternative.
12428 (pushdf): Likewise.
12429 (movdf_1): Likewise; rename to movdf_integer.
12430 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12431 remove redundant splitter.
12432 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12433 (movdf_nointeger): New.
12434 (movxf_nointeger): New.
12435 (pushxf_nointeger): New.
12437 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12438 memory operands in patterns.
12439 (fop*): Refuse two memory operands.
12441 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12442 on !TARGET_USE_CLTD CPUs.
12444 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12446 * extend.texi: Document C++ restricted pointers and references.
12448 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12450 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12451 (invalidate_skipped_set): Call it unconditionally.
12452 (cse_set_around_loop): Likewise.
12454 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12456 * rtl.texi (mem): Add documentation for alias-set argument
12459 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12461 * i386.h (struct_processor_costs): New fields int_load, int_store,
12462 fp_move, fp_load and fp_store
12463 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12465 (MEMORY_MOVE_COST): New macro.
12466 * i386.c (386_cost): Define new fields.
12467 (i486_cost): Likewise.
12468 (pentium_cost): Likewise.
12469 (pentiumpro_cost): Likewise.
12470 (k6_cost): Likewise.
12472 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12473 Geoffrey Keating <geoffk@cygnus.com>
12475 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12477 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12480 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12481 (TARGET_STRICT_ALIGNMENT): New macro.
12482 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12483 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12484 * invoke.texi (M680x0 Options): Document -mstrict-align.
12486 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12487 Richard Henderson <rth@cygnus.com>
12489 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12490 (ix86_split_long_move): Declare.
12491 * i386.c (split_xf, ix86_split_movdi): Remove.
12492 (ix86_split_to_parts, ix86_split_long_move): New.
12493 * i386.md (dimode move splitters): Use ix86_split_long_move.
12494 (dfmode move splitters): Likewise.
12495 (xfmode move splitters): Likewise.
12496 (movsf_1): Allow F->r.
12497 (movdf_1, movxf_1): Allow F->ro.
12499 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12501 * except.h (struct eh_entry): Add goto_entry_p.
12502 (eh_region_from_symbol): Remove prototype.
12503 * except.c (find_func_region_from_symbol): New function.
12504 (emit_cleanup_handler): Likewise.
12505 (eh_region_from_symbol): Make it static.
12506 (add_new_handler): Verify the argument.
12507 (find_func_region): Update comment.
12508 (expand_eh_region_end): Expand handlers here, rater than waiting
12509 until expand_leftover_cleanups or start_all_catch.
12510 (expand_leftover_cleanups): Don't expand here.
12511 (expand_start_all_catch): Or here.
12512 (expand_rethrow): Check the return value from find_func_region.
12513 * function.c (expand_function_end): Emit the catch_clauses.
12515 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12517 * integrate.c (expand_inline_function): Add necessary check for NULL.
12519 1999-11-18 Nick Clifton <nickc@cygnus.com>
12521 * toplev.c (main): Correctly detect an unrecognised option.
12523 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12524 a -f option if it has not been recognised.
12526 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12528 * basic-block.h (update_life_extent): Remove trailing comma on
12529 enumeration type list.
12531 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12533 * varasm.c (output_constructor) Solved problem with long long
12534 bitfields. Corrected calculating this_time and shift. Also
12535 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12537 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12539 * flow.c (split_edge): Take looping structure into account when
12540 determining where to put the new block note.
12542 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12544 * Makefile.in (ggc-none.o): Provide host specific version if
12547 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12549 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12550 containing subregs too.
12552 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12554 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12555 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12556 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12557 (text_section): Add switches -munint-const-in-rodata and
12558 -mno-uninit-const-in-rodata.
12559 (ASM_OUTPUT_COMMON): Remove.
12560 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12561 const objects should be placed in read-only data. Otherwise declare
12564 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12566 * jump.c (jump_optimize_1): Revert last change.
12568 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12570 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12571 test if optimizing for size.
12573 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12575 * Makefile.in (toplev.o): Depend on except.h.
12576 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12578 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12580 * i386.md (divmodsi4): Rewrite to expander.
12581 (*divmodsi4_nocltd): New.
12582 (*divmodsi4_cltd): New.
12583 (divmodsi4 splitter): Handle the case when input comes in edx.
12584 (udivmodhi4): Do not use constraints in exander.
12585 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12587 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12589 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12590 for the common case.
12592 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12594 * explow.c (hard_function_value): Add outgoing argument.
12595 * expr.h (hard_function_value): Declare it.
12596 * calls.c (expand_call, emit_library_call_value): Update callers.
12597 * function.c (aggregate_value_p): Ditto.
12598 (diddle_return_value): Must look at the outgoing registers
12599 on archs with register windows.
12601 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12603 * alpha.c (alpha_build_va_list): Use make_lang_type and
12604 initialize TYPE_NAME for the va_list record.
12606 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12608 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12610 * ggc.h (struct ggc_statistics): Rearrange elements for better
12611 packing on 64-bit hosts.
12612 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12613 (compute_nearerout): Likewise.
12615 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12617 * config/rs6000/rs6000.c (first_reg_to_save): Save
12618 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12620 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12622 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12623 notion of nesting to find the DIE for a type or function.
12624 DIEs can go in limbo even if we got a context_die.
12625 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12626 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12628 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12629 (gen_type_die): Writing out the context doesn't cause member class
12630 template instantiations to be written out as well.
12632 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12634 * rs6000.h (ASM_OUTPUT_DEF): New.
12635 Based on proposed addition from David Edelsohn.
12637 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12638 Bruce Korb <autogen@linuxbox.com>
12640 * fixinc/inclhack.def
12641 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12642 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12644 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12645 (svr4_endian): enabled with SVR5
12646 (svr4_mkdev): simplified syntax and enabled with SVR5
12648 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12650 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12651 * configure: Rebuilt.
12652 * config/t-freebsd-thread: New file.
12654 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12656 * i386.c (ix86_decompose_address): Verify the base is a REG
12657 before trying to examine its register number.
12659 * basic-block.h: Remove all #defines and prototypes related to
12661 (free_bb_mem, compute_preds_succs): Remove prototype.
12662 * rtl.h (free_bb_mem): Remove prototype.
12663 * flow.c (alloc_int_list_node); Remove function.
12664 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12665 (compute_preds_succs, free_bb_mem): Likewise.
12666 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12667 * toplev.c (rest_of_compilation): Likewise.
12668 * haifa-sched.c (build_control_flow): Use flow generated edge
12669 list to build the haifa specific edge list.
12670 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12671 (schedule_insns): Do not build pred/succ lists anymore. Instead
12672 build the edge table.
12674 * basic-block.h (dump_bb_data): Remove declaration.
12675 * flow.c (dump_bb_data): Remove function.
12676 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12677 (sbitmap_union_of_predsucc): Likewise.
12679 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12680 argument. All callers changed.
12681 (delete_null_pointer_checks_1): No longer need to compute the
12684 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12685 All callers changed.
12686 (pre_expr_reaches_here_p_work): Likewise.
12687 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12688 * lcm.c (compute_laterin): Fix initialization of LATER.
12689 (compute_nearerout): Similarly for NEARER.
12691 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12693 * cse.c (set_nonvarying_address_components): Delete unused function.
12694 (refers_to_p): Likewise.
12696 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12698 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12701 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12703 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12704 definition in do while (0).
12706 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12708 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12710 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12712 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12714 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12716 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12717 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12718 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12719 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12721 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12722 saved on the stack. Output more accurate stack frame statistics
12723 into assembler file.
12725 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12727 * genextract.c (record_insn_name): New function.
12728 (get_insn_name): No longer a stub.
12729 (main): Call record_insn_name for each insn. After each label
12730 written, print the insn name in a comment.
12732 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12734 * output.h (const_section, init_section, fini_section): Add
12737 * alpha/elf.h (const_section): Delete declaration.
12739 * svr4.h (const_section): Likewise.
12741 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12743 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12744 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12745 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12747 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12748 variable-sized array bounds.
12750 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12752 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12755 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12757 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12758 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12760 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12762 * cse.c (hash_arg_in_struct): Delete.
12763 (struct table_elt): Delete elt in_struct.
12764 (struct set): Delete elt src_in_struct.
12765 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12766 the corresponding in_struct elts.
12767 (canon_hash): Likewise.
12768 (safe_hash): Likewise.
12769 (find_best_addr): Likewise.
12770 (record_jump_cond): Likewise.
12771 (cse_insn): Likewise.
12773 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12775 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12777 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12780 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12782 * function.c (diddle_return_value): Put back check that the DECL_RTL
12783 for the function is a register.
12785 * function.c (diddle_return_value): Use hard_function_value to
12786 get an rtx suitable for use in the USE/CLOBBER insn.
12788 * global.c (global_conflicts): Update comments.
12789 (record_conflicts): No need to record conflicts between pseudos here.
12791 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12793 * fixinc/fixincl.c: Added verbose levels for status messages
12795 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12797 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12798 operand as argument to expand_and or expand_binop.
12800 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12802 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12803 gcc_add_string_root.
12805 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12807 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12809 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12811 * flow.c (compute_flow_dominators): Initially put all blocks on
12813 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12814 * gcse.c (compute_cprop_avinout): Remove.
12815 (compute_cprop_data): Use compute_available.
12816 (delete_null_pointer_checks_1): Use compute_available.
12818 * basic-block.h (compute_available): Returns a void now.
12819 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12820 to return a value anymore.
12821 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12822 worklists. Fix boundary cases. Compute maximal solutions.
12823 (compute_laterin, compute_nearerout): Similarly.
12825 * dwarf2out.c (add_AT_location_description): Allow
12826 (mem (plus (pseudo) (...)) too.
12828 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12830 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12832 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12833 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12835 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12837 * gansidecl.h: Likewise.
12843 * toplev.h: Likewise.
12845 * tree.c: Likewise.
12847 * tree.h: Likewise.
12849 * varray.c: Likewise.
12851 * varray.h: Likewise.
12853 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12855 * gcov.c (struct arcdata): Add hits and total, remove prob.
12856 (output_branch_counts): New.
12857 (process_args): Set output_branch_counts if -c.
12858 (calculate_branch_probs): Store hits and total instead of
12860 (output_data): Emit counts if output_branch_counts is true.
12861 * gcov.texi (Invoking Gcov): Document -c switch..
12863 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12865 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12866 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
12868 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
12870 * invoke.texi (C Dialect Options): Add missing builtins from
12871 c-common.c to list.
12872 * extend.texi (Other Builtins): Copy to this list.
12874 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12876 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
12877 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
12878 redundant bitmap.h.
12880 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
12882 * flow.c (compute_flow_dominators): No longer treat basic block 0
12883 or (n_basic_blocks - 1) specially. Clear the AUX field before
12884 starting computation of doms/pdoms. Fix initial state for pdoms.
12886 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12888 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
12889 match rtl.o's: added ggc.h and toplev.h
12890 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
12891 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
12892 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
12894 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
12896 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
12897 from HAVE_DOS_BASED_FILESYSTEM.
12898 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
12899 HAVE_DOS_BASED_FILESYSTEM.
12901 (split_directories): Only special-case DOS file names if
12902 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
12903 instead of explicit tests. Conditionalize on !VMS.
12904 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
12905 tests. Conditionalize on !VMS.
12906 (process_command): Only use make_relative_prefix if !VMS.
12907 (free_split_directories): Conditionalize on !VMS.
12908 (DIR_UP): Conditionalize on !VMS.
12910 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
12912 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
12914 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
12916 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
12919 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
12921 * invoke.texi (Environment Variables): Document relative path
12923 * gcc.c (DIR_UP): If not defined, define as "..".
12924 (standard_bindir_prefix): New static, holds target location to
12926 (split_directories): New function to split a filename into
12927 component directories.
12928 (free_split_directories): New function, release memory allocated
12929 by split_directories.
12930 (make_relative_prefix): New function, make a relative pathname if
12931 the compiler is not in the expected location.
12932 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
12933 can figure out an appropriate prefix from argv[0].
12934 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
12935 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
12936 STANDARD_BINDIR_PREFIX.
12938 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12940 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
12942 * config/c4x/c4x.h: Moved prototypes to c4x.h.
12943 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
12944 c4x_secondary_memory_needed) Delete.
12945 (fp_zero_operand): Add mode argument.
12947 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
12949 * reload1.c (reload_reg_free_for_value_p): Don't use a register
12950 that is in reload_reg_used.
12952 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
12954 * config/arm/arm-protos.h: New file: Prototypes for functions
12955 defined in arm.c and pe.c.
12956 * config/arm/arm.h: Fix compile time warnings.
12957 * config/arm/arm.c: Fix compile time warnings.
12958 * config/arm/pe.h: Fix compile time warnings.
12959 * config/arm/aout.h: Fix compile time warnings.
12961 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
12963 * config/m32r/m32r-protos.h: New file: Prototypes for functions
12966 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
12967 Add support for subtargets.
12968 Add prototypes for new predicates.
12969 Add scheduling macros.
12971 * config/m32r/m32r.c: Fix compile time warnings.
12972 (int8_operand): New predicate function.
12973 (reg_or_cmp_int16_operand): New predicate function.
12974 (extend_operand): New predicate function.
12975 (m32r_adjust_code): New scheduling function.
12976 (m32r_adjust_priorty): New scheduling function.
12977 (m32r_sched_init): New scheduling function.
12978 (m32r_sched_reorder): New scheduling function.
12979 (m32r_sched_variable_issue): New scheduling function.
12980 (direct_return): New codegen function.
12981 (m32r_not_same_reg): New rtl testsing function.
12983 * config/m32r/m32r.md: Fix compile time warnings.
12984 Add support for pre decrement and post increment memory
12986 Add S<cc> patterns.
12989 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12991 * global.c (EXECUTE_IF_CONFLICT): Don't define.
12992 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
12993 (find_reg): Likewise.
12995 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
12997 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
12998 to avoid assembler errors.
13000 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13002 * config/v850/v850-protos.h: New file: Prototypes for functions
13004 * config/v850/v850.h: Move prototypes to v850-protos.h
13005 * config/v850/v850.c: Move prototypes to v850-protos.h
13006 * config/v850/v850.md: Fix compile time warnings.
13008 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13010 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13011 * config/fr30/fr30.c: Fix compile time warnings.
13012 * config/fr30/fr30.md: Fix compile time warnings.
13014 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13016 * tree.h (get_containing_scope): Declare it.
13017 * tree.c (get_containing_scope): New fucntion.
13018 (decl_function_context): Use it.
13019 * toplev.c (rest_of_compilation): Use get_containing_scope.
13021 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13023 * Makefile.in (rtl.o): Depend on toplev.h.
13025 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13027 * cse.c (delete_trivially_dead_insns): Replace alloca with
13029 * except.c (update_rethrow_references): Likewise.
13030 (init_eh_nesting_info): Likewise.
13031 * function.c (identify_blocks): Likewise.
13032 * gcse.c (dump_hash_table): Likewise.
13033 * graph.c (print_rtl_graph_with_bb): Likewise.
13034 * loop.c (combine_movables): Likewise.
13035 (move_movables): Likewise.
13036 (count_loop_regs_set): Likewise.
13037 (strength_reduce): Likewise.
13038 * profile.c (compute_branch_probabilities): New function, split
13040 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13041 * regclass.c (regclass): Likewise.
13042 * regmove.c (regmove_optimize): Likewise.
13043 * toplev.c (compile_file): Likewise.
13044 (main): Don't mess with the stack rlimit.
13046 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13048 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13049 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13051 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13053 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13055 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13057 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13058 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13061 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13063 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13065 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13067 * gcse.c (post_dominators): Kill.
13068 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13069 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13070 pass in a pdom array since we do not need pdoms.
13071 * haifa-sched.c (schedule_insns): Similarly.
13072 * flow.c (compute_dominators): Remove dead function.
13073 (compute_flow_dominators): Do not compute doms or pdoms if the
13074 caller does not request them. Split up loop to build doms and
13075 pdoms. Use a worklist to compute doms and pdoms.
13076 * basic-block.h (compute_dominators): Remove prototype.
13078 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13080 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13081 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13082 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13083 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13084 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13085 (schedule_region): Remove unused variable.
13086 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13088 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13090 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13091 (update_equiv_regs): Likewise.
13092 (block_alloc): Likewise.
13093 * reg-stack.c (reg_to_stack): Likewise.
13094 (convert_regs_2): Likewise.
13095 * reload1.c (reload_as_needed): Likewise.
13097 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13099 * Makefile.in (dbxout.o): Depend on ggc.h.
13100 (dwarf2out.o): Likewise.
13101 (xcoffout.o): Likewise.
13102 * dbxout.c: Include ggc.h.
13103 (dbxout_init): Register lastfile as a root.
13104 * dwarf2out.c: Include ggc.h.
13105 (dwarf2out_line): Register lastfile as a root.
13106 * xcoffout.c: Include ggc.h.
13107 (xcoffout_source_line): Register xcoff_lastfile as a root.
13109 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13111 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13113 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13115 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13117 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13119 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13121 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13122 (EXECUTE_IF_CONFLICT): Likewise.
13123 (ALLOCNO_LIVE_P): Avoid signed division.
13124 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13125 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13126 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13128 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13130 * haifa-sched.c (schedule_block): Don't crash if there's no
13131 next insn for an interblock movement.
13132 (add_branch_dependences): Don't allow clobber insns to move either.
13134 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13136 * i386.c (split_xf): New.
13137 * i386-protos.h: Declare it.
13138 * i386.md (movxf_1): Add general regs alternatives.
13139 (movxf_1+1): New splitter for same.
13141 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13143 * function.c (purge_addressof_1): Add missing return values.
13145 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13147 * function.c (is_addressof): New function. Returns true if
13148 the given piece of RTL is an ADDRESSOF.
13149 (purge_addressof_1): Make boolean. Return false if the
13150 ADDRESSOFs could not be purged.
13151 (purge_addressof): If ADDRESSOFs could not be purged from the
13152 notes attached to an insn, remove the offending note(s),
13153 unless they are attached to a libcall.
13155 1999-11-05 Andreas Jaeger <aj@suse.de>
13157 * genoutput.c (null_operand =): Initialize all fields.
13159 * errors.h: Add extern to prototypes.
13161 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13163 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13164 * configure: Rebuilt.
13166 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13168 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13169 (mirror_conflicts): New function.
13170 (global_alloc): Call it.
13171 (expand_preferences): Remove redundant CONFLICTP test.
13172 (find_reg, dump_conflicts): Likewise.
13173 (prune_preferences): Process conflicts one word at a time.
13175 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13177 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13178 instead of an explicit loop.
13180 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13182 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13183 if REG_RETVAL check succeeds, then put classp in src_elt.
13185 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13187 * function.c (pad_to_arg_alignment): Only update argument_pad
13188 if the argument's alignment is greater than STACK_BOUNDARY.
13190 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13192 * bitmap.h (BITMAP_XFREE): New.
13193 * flow.c (life_analysis): Use it.
13194 (life_analysis_1): Free blocks.
13196 * combine.c (undo_commit): New.
13197 (try_combine): Use it. Don't zap undobuf.undos.
13198 (combine_instructions): Don't zap undobuf.undos; free the
13199 undobuf.frees list.
13201 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13203 * stmt.c (cost_table_): New.
13204 (estimate_case_costs): Use it instead of xmalloc.
13206 * toplev.c (compile_file): Reuse dumpname memory instead
13209 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13211 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13212 after verifying an EH edge.
13214 * haifa-sched.c (init_rgn_data_dependences): Correctly
13215 size bb_pending_lists_length when zeroing.
13217 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13219 * function.c (diddle_return_value): New.
13220 (expand_function_end): Use it.
13221 * stmt.c (expand_null_return): Likewise.
13222 (expand_value_return): Likewise.
13224 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13226 * reload1.c (reload): Don't remove return value clobbers.
13228 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13230 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13232 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13234 * cse.c (cse_main): Use xmalloc, not alloca.
13235 (cse_basic_block): Likewise.
13236 * local-alloc.c (local_alloc): Likewise.
13238 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13239 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13241 * rtl.c: Include toplev.h.
13242 (fatal): Remove declaration.
13244 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13246 * haifa-sched.c (schedule_block): Fix thinko.
13248 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13250 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13251 S_IR* defined values
13253 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13255 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13256 call `malloc' instead.
13258 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13260 * flags.h (flag_renumber_insns): Declare.
13261 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13263 * rtl.h (renumber_insns): Change prototype.
13264 * toplev.c (flag_renumber_insns): Define.
13265 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13267 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13269 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13270 and fpsqrtd. Use them and create fdiv function unit to more
13271 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13272 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13274 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13276 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13278 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13279 insn into ready list, do not use just a raw swap.
13281 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13283 * rtl.h (renumber_insns): New function.
13284 (remove_unnecessary_notes): Likewise.
13285 * emit-rtl.c (renumber_insns): Define.
13286 (remove_unncessary_notes): Likewise.
13287 * toplev.c (rest_of_compilation): Remove dead code.
13288 Use renumber_insns and remove_unncessary_notes.
13290 * gcse.c (struct null_pointer_info): New type.
13291 (get_bitmap_width): New function.
13292 (current_block): Remove.
13293 (nonnull_local): Likewise.
13294 (nonnull_killed): Likewise.
13295 (invalidate_nonnull_info): Take a null_pointer_info as input.
13296 (delete_null_pointer_checks_1): New function.
13297 (delete_null_pointer_checks): Use it.
13299 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13300 (split_edges): Likewise.
13301 (schedule_block): Likewise.
13302 (compute_block_backward_dependencies): Likewise.
13303 (schedule_region): Likewise.
13304 (schedule_insns): Likewise.
13306 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13308 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13309 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13310 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13311 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13312 * jump.c (delete_unreferenced_labels): Don't delete if
13313 LABEL_ALTERNATE_NAME is set.
13314 * print-rtl.c (print_rtx): Dump alternate name.
13315 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13316 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13317 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13318 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13320 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13322 * fix-header.c (recognized_extern, recognized_function): Constify
13325 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13326 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13327 (compute_available): Remove unused variable `last'.
13328 (compute_nearerout): Remove unused variable `temp_bitmap'.
13329 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13330 Remove unused variable `x'.
13332 * scan.h (recognized_function, recognized_extern): Constify a
13335 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13337 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13339 * varasm.c (decode_rtx_const): Use XSTR to access the string
13342 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13344 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13346 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13348 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13350 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13352 * pa.c (ireg_operand): New function.
13353 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13354 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13355 Fix out of date comment.
13357 * pa.md (negdi2): Turn into expander + anonymous pattern.
13359 * reload.c (find_reloads): Fix typos in recent change.
13361 * dwarf2out.c: Do not include ctype.h.
13363 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13365 * regclass.c (record_reg_classes): Always use may_move_cost when
13366 seeing how operand fits with various register classes.
13368 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13370 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13371 * toplev.c: Revert Nov 1 13:22 change.
13373 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13375 * config/pa/pa.md (height reduction patterns): Add checks for
13376 overlapping operands to avoid semantic-destroying splits for
13377 height reduction patterns.
13379 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13381 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13382 have been an hyphen, fixed.
13383 * configure: Rebuilt.
13385 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13387 * config/arm/tpe.h: Add prototypes for exported functions.
13388 * config/arm/pe.c: Fix compile time warnings.
13389 * config/arm/semi.h: Fix compile time warnings.
13390 * config/arm/arm.c: Fix compile time warnings.
13391 * config/arm/arm.h: Fix compile time warnings.
13392 * config/arm/arm.md: Fix compile time warnings.
13393 * config/arm/thumb.c: Fix compile time warnings.
13394 * config/arm/thumb.h: Fix compile time warnings.
13395 * config/arm/thumb.md: Fix compile time warnings.
13397 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13399 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13402 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13403 completely unrolled.
13405 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13407 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13409 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13411 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13412 * rtl.h (rtx_equal_p): Move prototype.
13413 * rtl.c (rtx_equal_function_value_matters): Move from
13415 (rtx_equal_p): Likewise.
13416 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13417 (rtx_equal_p): Likewise.
13419 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13421 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13422 ! HAS_INIT_SECTION.
13424 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13426 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13428 * pa.h (ADDR_VEC_ALIGN): Define.
13430 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13431 notes when presented with "if (foo) break; end_of_loop" and
13432 the break sequence gets moved out of the loop.
13434 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13435 Remove explicit zero initializations of entries within MAP.
13437 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13439 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13441 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13443 * bitmap.h (BITMAP_XMALLOC): New macro.
13444 * flow.c (CLEAN_ALLOCA): Remove.
13445 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13446 (life_analysis): Likewise.
13447 (update_life_info): Don't use CLEAN_ALLOCA.
13448 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13449 (calculate_global_regs_live): Likewise.
13450 (print_rtl_with_bb): Likewise.
13451 (verify_flow_info): Likewise.
13452 * global.c (global_alloc): Likewise.
13453 (global_conflicts): Likewise.
13454 * integrate.c (save_for_inline_nocopy): Likewise.
13455 (expand_inline_function): Likewise.
13456 * jump.c (jump_optimize_1): Likewise.
13457 (duplicate_loop_exit_test): Likewise.
13458 (thread_jumps): Likewise.
13459 * loop.c (loop_optimize): Likewise.
13460 (combine_givs): Likewise.
13461 (recombine_givs): Likewise.
13462 * reorg.c (dbr_schedule): Likewise.
13463 * unroll.c (unroll_loop): Likewise.
13465 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13467 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13469 * toplev.c (rest_of_compilation): Don't optimize the CFG
13470 when rebuilding, just before dbr.
13472 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13474 * output.h (assemble_end_function, assemble_destructor,
13475 assemble_constructor, assemble_gc_entry, assemble_global,
13476 assemble_label, output_constant_pool) Constify a char*.
13478 * varasm.c (assemble_destructor, assemble_constructor,
13479 assemble_gc_entry, assemble_end_function, assemble_global,
13480 assemble_label, output_constant_pool): Likewise.
13482 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13484 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13485 explaining what is goin on in this function.
13487 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13489 * regclass.c (record_reg_classes): In matching case, recompute
13490 costs since the direction of movement is different.
13492 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13494 * resource.c (mark_target_live_regs): For unconditional branches,
13495 the resources found at the branch target should be added to the
13496 resources found so far, not intersected.
13498 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13500 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13502 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13503 (sys/mman.h): Include this file only if #HAVE_MMAP.
13504 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13505 with automatically concatenated ANSI strings.
13507 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13509 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13510 (DIV_ROUND_UP): Robustify.
13511 (ggc_recalculate_in_use_p): New function.
13512 (release_pages): Don't inline it.
13513 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13515 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13516 (clear_marks): Always save in_use_p.
13517 (sweep_pages): Use ggc_recalculate_in_use_p.
13518 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13519 Release pages before counting statistics.
13521 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13523 * toplev.c (rest_of_compilation): Fix thinko in this change:
13525 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13527 (rest_of_compilation): If inside an inlined external function,
13528 pretend we are just being declared.
13530 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13532 * flow.c (calculate_global_regs_live): Fix thinko.
13534 * integrate.c (expand_inline_function): Fix bugs in previous
13535 change from Oct 28, 1999.
13537 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13539 * stmt.c (expand_value_return): Fix typo in this change:
13541 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13542 (expand_value_return): Correctly convert VAL when promoting function
13543 return; support RETURN_REG being a PARALLEL.
13545 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13547 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13549 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13551 * hard-reg-set.h (reg_names): Constify a char*.
13553 * regclass.c (reg_names): Likewise.
13555 * regs.h (reg_names): Likewise
13557 * a29k/a29k.c (reg_names): Delete declaration.
13559 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13561 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13562 arc_output_function_epilogue): Likewise.
13564 * elxsi/elxsi.c (reg_names): Likewise.
13566 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13568 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13571 * m88k/m88k.c (output_function_profiler): Likewise.
13573 * sparc/sparc.c (sparc_flat_output_function_prologue,
13574 sparc_flat_output_function_epilogue): Likewise.
13576 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13578 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13579 warning from -Wuninitialized and put it under -W.
13580 * function.c (uninitialized_vars_warning): Warn only when the
13581 corresponding flag is set.
13583 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13585 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13586 is nonzero and the single set does not have an elt, then assign
13589 * simplify-rtx.c: New file.
13590 * Makefile.in (OBJS): Add simplify-rtx.o
13591 (simplify-rtx.o): Add dependencies.
13592 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13593 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13594 (cse_gen_binary, simplify_unary_operation): Delete.
13595 (simplify_binary_operation, simplify_plus_minus): Likewise.
13596 (check_fold_consts, simplify_relation_operation): Likewise.
13597 (simplify_ternary_operation): Likewise.
13598 (delete_trivially_dead_insns): Simplify the contents of the
13599 REG_EQUAL note before trying to substitute it into the source
13600 of the reg-reg copy at the end of a libcall sequence.
13602 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13603 references/callers changed.
13605 * mn10200.c (mn10200_va_arg): Force the return value into a
13608 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13610 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13613 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13615 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13617 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13619 * fold-const.c (fold): Fix thinko when optimizing comparisons
13622 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13624 * gcc.texi (Passes): Update front-end files to their current
13627 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13629 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13630 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13631 (PREDICATE_CODES): Add addition_operation.
13632 * alpha-protos.h (addition_operation): Declare.
13633 (secondary_reload_class): Likewise.
13634 * alpha.c (addition_operation): New.
13635 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13636 * alpha.md (adddi3): Turn into expander.
13637 (*lda, *adddi_2): New.
13638 (movsf, movdf patterns): Don't preference integer regs.
13639 (movsi, movdi patterns): Don't preference fp regs.
13641 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13643 * genrecog.c (write_switch): Check for duplicate CODE cases.
13645 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13647 * ggc-common.c: Update pre-function commentary.
13648 * ggc-page.c: Likewise.
13650 (poison_pages): Use memset directly.
13651 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13652 (ggc_collect): Poison before sweeping.
13653 * ggc-simple.c: Update pre-function commentary.
13654 (ggc_alloc_obj): Poison non-zeroed memory.
13656 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13658 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13659 match format string, even on 64-bit hosts.
13660 * gcc-page.c (ggc_page_print_statistics): Likewise.
13662 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13664 * config/i386/i386.c (ix86_cpu): Revert last patch.
13665 * config/i386/i386.h (ix86_cpu): Ditto.
13667 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13669 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13670 TYPE_SIZE, convert type of result to sizetype.
13672 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13674 * flow.c (count_or_remove_death_notes): Equate NULL with the
13677 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13678 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13681 * i386.c (pic_label_no): Delete.
13682 (ix86_attr_length_default): Don't use single_set to peek
13685 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13686 the first insn after bb->end.
13687 * i386.md (push mem peeps): Scratch is live after evaluation
13689 (cmp mem peep): Similarly.
13691 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13693 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13694 * function.c (pad_to_arg_alignment): Add missing braces.
13696 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13698 * alpha/alpha-protos.h (literal_section): Add prototype.
13699 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13702 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13704 (alpha_start_function, alpha_end_function, float_strings,
13705 alpha_need_linkage): Constify a char*
13707 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13709 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13711 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13713 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13715 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13717 * flow.c (debug_flow_info): Add prototype.
13719 * gcc.c (main): Likewise.
13721 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13724 * reload1.c (failed_reload, set_reload_reg): Likewise.
13726 * mips-tfile.c (main): Likewise.
13727 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13728 with ATTRIBUTE_NORETURN.
13730 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13732 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13733 DECL is not a memory ref.
13735 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13737 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13738 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13740 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13742 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13743 * config/mips/elf64.h: ditto.
13745 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13747 * expr.c (emit_push_insn): New argument alignment_pad.
13748 Update all callers. Adjust stack pointer based on alignment pad.
13749 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13750 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13751 (locate_and_pad_parm): New argument alignment_pad. Update all
13753 * expr.h (emit_push_insn): Update prototype.
13754 (locate_and_pad_parm): Update prototype.
13755 * calls.c (arg_data): Add new field alignment_pad.
13756 (initialize_argument_information): Initialize alignment_pad.
13758 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13760 * except.c (free_eh_nesting_info): Free the info itself.
13761 * function.c (free_after_compilation): Don't free NULL.
13762 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13763 (pre_edge_insert): Free inserted.
13764 * stmt.c (free_stmt_status): Don't free NULL.
13766 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13768 * gcov.c (DIR_SEPARATOR): Provide default.
13769 (output_data): Add test for MS-DOS format absolute filename.
13770 (fancy_abort): Correct program name.
13771 (open_files): Open all files in binary mode.
13772 * libgcc2.c (__bb_exit_func): Likewise.
13774 * profile.c (init_branch_prob): Specify binary when opening files.
13776 * flags.h (flag_unwind_tables): New decl.
13777 * toplev.c (flag_unwind_table): New definition.
13778 (f_options): Add -funwind-tables.
13779 (decode_g_option): Clarify warning when unknown -g option is given.
13780 (rest_of_compilation): If inside an inlined external function,
13781 pretend we are just being declared.
13783 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13784 (dwarf2out_frame_finish): Likewise.
13786 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13788 * fold-const.c (merge_ranges): If not in0, but in1, handle
13789 upper bounds equal like subset case.
13791 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13793 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13794 passed in a register but moved to the stack.
13796 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13798 * gcc.c (pass_exit_codes, greatest_status): New variables.
13799 (struct option_map): Add entry for "--pass-exit-codes".
13800 (execute): Update greatest_status if error.
13801 (display_help): Add documentation for -pass-exit-codes.
13802 (process_command): Handle -pass-exit-codes.
13803 (main): Look at pass_exit_codes and greatest_status on call to exit.
13805 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13807 * reload.c (find_reloads): Refine test for no input reload
13808 case to not includes reloads emitted after insn.
13810 * function.c (find_temp_slots_from_address): Handle sum involving
13811 a register that points to a temp slot.
13812 (update_temp_slot_address): Make recursive call if both old and
13813 new are PLUS with a common operand.
13814 * calls.c (expand_call): Mark temp slot for result as having
13817 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13819 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13820 component as well as "BINUTILS".
13822 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13823 * integrate.c (copy_rtx_and_substitute): Likewise.
13824 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13825 All callers changed.
13826 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13828 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13829 gdb extensions, write size of type; also be more consistent
13830 in using references when this is a subtype.
13832 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13833 that is out of range.
13835 * loop.c (unknown_constant_address_altered): New variable.
13836 (prescan_loop): Initialize it.
13837 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13838 (invariant_p, case MEM): Remove handling for volatile and readonly;
13839 check new variable if readonly.
13840 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13842 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13843 (addr_affects_sp_p): Removed from note_mem_written and only
13844 define #ifdef AUTO_INC_DEC.
13846 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13848 * regclass.c (record_reg_classes): Properly handle register move
13851 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13852 Don't think valid if both operands are invalid.
13853 (struct constant_descriptor): New field RTL.
13854 (mark_const_hash_entry): Mark it.
13855 (record_constant{,_rtx}): Initialize it.
13856 (output_constant_def): Allocate RTL in permanent obstack and
13858 ({record,compare}_constant_1): Modes must match for
13859 CONSTRUCTOR of ARRAY_TYPE.
13861 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13862 * output.h (initializer_constant_valid_p): Move decl to here.
13863 * c-common.c (initializer_constant_valid_p): Delete function from here.
13864 * varasm.c (initializer_constant_valid_p): Move function to here.
13866 * tree.h (STRIP_SIGN_NOPS): New macro.
13867 * fold-const.c (optimize_minmax_comparison): New function.
13868 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
13869 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
13870 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
13871 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
13872 widening conversions.
13873 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
13874 to look at size of mode, not precision of type; also add missing cases.
13875 (optimize_bit_field_compare, decode_field_reference): Don't try to
13876 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
13878 * dwarf2out.c (ctype.h): Include.
13879 (dwarf2out_set_demangle_name_func): New function.
13880 (size_of_line_info): Deleted.
13881 (output_line_info): Compute size of line info table from difference
13883 (base_type_die, add_name_attribute): Call demangle function, if any.
13884 (field_byte_offset): Use bits per word for variable length fields.
13885 (gen_array_type_die): Add array name.
13886 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
13887 (dwarf2out_add_library_unit_info): New function.
13889 * explow.c (set_stack_check_libfunc): New function.
13890 (stack_check_libfunc): New static variable.
13891 (probe_stack_range): Allow front-end to set up a libfunc to call.
13893 * combine.c (simplify_comparison): When making comparison in wider
13894 mode, check for having commuted an AND and a SUBREG.
13895 (contains_muldiv): New function.
13896 (try_combine): Call it when dividing a PARALLEL.
13897 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
13898 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
13900 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
13901 use one of the CLOBBERs instead.
13902 (if_then_else_cond): If comparing against zero, just return thing
13905 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
13906 Don't generate shifts and subtract if have conditional arithmetic.
13908 * rtl.h (delete_barrier): New declaration.
13909 * jump.c (jump_optimize): Set up to handle conditional call.
13910 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
13911 (delete_barrier): New function.
13913 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
13915 * recog.c (nonmemory_operand): Accept ADDRESSOF.
13917 * tree.c (build_type_attribute_variant): Push to obstack of
13918 ttype around type_hash_canon call.
13920 * expr.c (placeholder_list): Move decl to file scope.
13921 (expand_expr): Don't force access to volatile just because its
13923 If ignoring reference operations, just expand the operands.
13924 (expand_expr, case COMPONENT_REF): Propagate
13925 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
13926 Refine test for using bitfield operations vs pointer punning.
13927 (expand_expr, case CONVERT_EXPR): If converting to
13928 BLKmode UNION_TYPE from BLKmode, just return inner object.
13929 Use proper mode in store_field call.
13930 Properly set sizes of object to store and total size in store_field
13931 call for convert to union.
13932 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
13933 memory (like for ADDR_EXPR). Also, don't put constant in register if
13934 we'll want it in memory.
13935 (readonly_fields_p): New function.
13936 (expand_expr, case INDIRECT_REF): Call it if LHS.
13937 (expand_assignment): Handle a RESULT_DECL where
13938 DECL_RTL is a PARALLEL.
13939 (do_jump, case WITH_RECORD_EXPR): New case.
13940 (get_inner_reference): Always go inside a CONVERT_EXPR
13941 and NOP_EXPR if both modes are the same.
13942 (store_field): Use bitfield operations if size of bitsize is not same
13943 as size of RHS's type.
13944 Check for bitpos not a multiple of alignment in BLKmode case.
13945 Do block move in largest possible alignment.
13946 (store_constructor): Set BITSIZE to -1 for variable size and properly
13947 in case of array of BLKmode.
13948 (expand_expr_unaligned): New function.
13949 (do_compare_and_jump): Call it.
13951 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
13952 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
13953 does not include 'o'.
13955 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
13956 both SET_DEST and SET_SRC reference a virtual register.
13957 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
13959 * integrate.c (expand_inline_function): Handle case of setting
13960 virtual stack vars register (from built in setjmp); when parameter
13961 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
13962 (subst_constant): Add new parm, MEMONLY.
13963 (expand_inline_function, integrate_parm_decls): Pass new parm.
13964 (integrate_decl_tree): Likewise.
13965 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
13966 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
13967 (copy_rtx_and_substitute, case SET): Add explicit calls to
13968 copy_rtx_and_substitute for both sides.
13970 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
13972 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
13973 within INDEX_TYPE, instead of before.
13974 (fixup_gotos): Use f->target_rtl, not the next insn,
13975 since latter may be from a later fixup.
13976 (expand_value_return): Correctly convert VAL when promoting function
13977 return; support RETURN_REG being a PARALLEL.
13978 (expand_return): When checking for result in regs and having
13979 cleanup, consider PARALLEL in DECL_RTL as being in regs.
13981 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
13983 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
13984 last_nominal_fname): Mark const.
13985 (struct include_hash: name, nshort, control_macro): Mark
13987 (struct macrodef: symnam): Mark const.
13988 (struct if_stack: fname): Mark const.
13989 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
13990 (IStable): New character-syntax array which encompasses all
13991 the old is_foo arrays.
13992 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
13993 is_space): New macros for interrogating IStable.
13994 (check_macro_name): Kill last argument. All callers changed.
13996 * cppinit.c (initialize_char_syntax): Delete.
13997 (is_idchar, is_idstart, is_hor_space, is_space,
13998 trigraph_table): Delete.
13999 (IStable): New. Initialize with clever macros to avoid
14000 information duplication.
14001 (builtin_array): Table of builtins to get rid of explicit list
14002 in initialize_builtins.
14003 (initialize_builtins): Use builtins_array.
14004 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14005 opts->dollars_in_ident.
14007 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14009 (cpp_parse_expr): Avoid 'format string is not constant'
14010 warning. Use ISGRAPH to identify printable chars.
14011 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14013 (read_and_prescan): Map trigraphs to chars with open-coded
14014 if-else-if-... sequence, not a lookup table.
14015 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14017 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14018 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14019 (check_macro_name): Remove ability to report an invalid
14020 assertion name, which is never used.
14021 (do_line): Constify a couple of char *'s.
14022 * cppmain.c (main): Call cpp_cleanup before returning.
14024 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14026 * ggc.h (struct ggc_statistics): New type.
14027 (ggc_get_size): New function.
14028 (ggc_print_statistics): Likewise.
14029 * ggc-common.c (ggc_stats): New variable.
14030 (ggc_mark_rtx_children): Keep statistics.
14031 (ggc_mark_tree_children): Likewise.
14032 (ggc_print_statistics): New function.
14033 * ggc-page.c (struct globals): Add bytes_mapped field.
14034 (alloc_anon): Update it.
14035 (release_pages): Likewise.
14036 (ggc_get_size): New function.
14037 (ggc_page_print_statistics): New function.
14038 * ggc-simple.c (ggc_get_size): New function.
14040 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14042 * flow.c (propagate_block): When the last reference to a label
14043 before an ADDR_VEC is deleted because the reference is a dead
14044 store, delete the ADDR_VEC.
14046 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14048 * resource.c (find_free_register): Don't use the frame pointer
14049 if frame_pointer_needed.
14051 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14053 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14054 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14056 * config/i960/i960.c (i960_va_start): New locals base, num.
14057 Use INDIRECT_REF instead of ARRAY_REF on valist.
14058 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14060 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14062 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14064 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14066 * tree.def (PLACEHOLDER_EXPR): Update comments.
14068 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14070 * c-common.c (check_format_info): Avoid non-literal format string
14071 warnings when `first_arg_num' is zero.
14073 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14075 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14077 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14079 * arm.md (casesi_insn): Add a clobber of the condition code
14082 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14084 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14085 used by both cc1 and cc1plus.
14087 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14089 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14090 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14091 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14092 to the value 32 if it has not already been defined.
14093 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14094 Override definition in arm.h with a value of 8.
14096 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14098 * c-pragma.c (push_alignment): Don't check the return value
14101 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14103 * sparc.h (ADJUST_COST): Fix thinko.
14105 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14107 * cccp.c (rescan): Fixed obp pointer handling around call to
14108 check_expand subroutine.
14110 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14112 * gcse.c (delete_null_pointer_checks): Only record non-null info
14113 for pseudos when examining stores.
14115 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14116 splitters for these patterns. Use "#" for output templates.
14117 (addsi3_carryin_shift): New pattern.
14119 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14121 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14122 of the function return register into a plain REG until
14123 after function inlining is done.
14125 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14127 * jump.c (jump_optimize_1): If we did cross-jumping, and
14128 the data will matter, rebuild the CFG.
14129 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14130 not optimizing. Don't run shorten_branches.
14131 * toplev.c (rest_of_compilation): Run shorten_branches after
14134 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14136 * rtl.h (note_stores): Add additional paramter.
14137 * rtlanal.c (reg_set_p_1): Take additional paramter.
14138 (reg_set_last_1): Likewise.
14139 (reg_set_p): Adjust call to note_stores.
14140 (reg_set_last): Likewise.
14141 (note_stores): Pass data parameter to worker function.
14142 * alias.c (record_set): Take additional parameter.
14143 (init_alias_analysis): Pass it.
14144 * caller-save.c (mark_set_regs): Take additional parameter.
14145 (save_call_clobbered_regs): Pass NULL to note_stores.
14146 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14148 (record_dead_and_set_regs_1): Likewise.
14149 (reg_dead_at_p_1): Likewise.
14150 (combine_instructions): Adjust calls to note_stores.
14151 (try_combine): Likewise.
14152 (record_dead_insn): Remove.
14153 (record_dead_and_set_regs): Adjust calls to note_stores.
14154 (reg_dead_at_p): Likewise.
14155 * cse.c (invalidate_skipped_set): Take additional parameter.
14156 (cse_check_loop_start): Likewise.
14157 (cse_check_loop_start_value): Remove.
14158 (cse_set_around_loop): Adjust calls to note_stores.
14159 * flow.c (notice_stack_pointer_modification): Take additional
14160 parameter. Remove duplicate declaration.
14161 (record_volatile_insns): Adjust calls to note_stores.
14162 * gcse.c (record_set_info): Take additional parameter.
14163 (record_last_set_info): Likewise.
14164 (invalidate_nonnull_info): Likewise.
14165 (record_set_insn): Remove.
14166 (compute_sets): Adjust calls to note_stores.
14167 (last_set_insn): Remove.
14168 (compute_hash_table): Adjust calls to note_stores.
14169 (insert_insn_end_bb): Likewise.
14170 (delete_null_pointer_checks): Likewise.
14171 * global.c (mark_reg_store): Take additional parameter.
14172 (mark_reg_clobber): Likewise.
14173 (reg_becomes_live): Likewise.
14174 (global_conflicts): Adjust calls to note_stores.
14175 (build_insn_chain): Likewise.
14176 * integrate.c (note_modified_parmregs): Take additional parameter.
14177 (mark_stores): Likewise. Make it static.
14178 (save_for_inline_nocopy): Adjust calls to note_stores.
14179 (try_constants): Likewise.
14180 * integrate.h (mark_stores): Remove declaration.
14181 * jump.c (mark_modified_reg): Take additional parameter.
14182 (thread_jumps): Adjust calls to note_stores.
14183 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14185 (no_equiv): Likewise.
14186 (reg_is_set): Likewise.
14187 (validate_equiv_mem): Adjust calls to note_stores.
14188 (update_equiv_regs): Likewise.
14189 (block_alloc): Likewise.
14190 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14191 (note_addr_stored): Take additional parameter.
14192 (note_set_pseudo_multiple_uses): Likewise.
14193 (record_initial): Likewise.
14194 (prescan_loop): Adjust calls to note_stores.
14195 (strength_reduce): Likewise.
14196 (check_dbra_loop): Likewise.
14197 * regmove.c (flags_set_1): Take additional paramter.
14198 (mark_flags_life_zones): Adjust calls to note_stores.
14199 * reload1.c (mark_not_eliminable): Take additional parameter.
14200 (forget_old_reloads_1): Likewise.
14201 (reload_cse_invalidate_rtx): Likewise.
14202 (reload_cse_check_clobber): Likewise.
14203 (reload_combine_note_store): Likewise.
14204 (move2add_note_store): Likewise.
14205 (reload): Adjust calls to note_stores.
14206 (reload_as_needed): Likewise.
14207 (emit_reload_insns): Likewise.
14208 (reload_cse_regs_1): Likewise.
14209 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14210 (reload_combine): Adjust calls to note_stores.
14211 * resource.c (update_live_status): Take additional paramter.
14212 (mark_target_live_regs): Adjust calls to note_stores.
14213 * stupid.c (find_clobbered_regs): Take additional parameter.
14214 (stupid_life_analysis): Adjust calls to note_stores.
14216 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14218 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14221 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14224 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14225 of the variable arm_structure_size_boundary.
14227 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14229 * alias.c (init_alias_analysis): Allocate reg_known_value and
14230 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14232 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14233 * cse.c (cse_main): Call end_alias_analysis.
14234 * haifa-sched.c (schedule_insns): Likewise.
14235 * local-alloc. (update_equiv_regs): Likewise.
14236 * reload1.c (reload_cse_regs): Likewise.
14238 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14240 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14241 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14242 mapping from MASK_FPU.
14244 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14246 * sparc.md (call): Don't bound structure return size to 0xfff.
14248 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14250 * resource.c (mark_target_live_regs): Check that the target
14251 insn wasn't created after compute_bb_for_insn.
14253 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14255 * ggc-page.c (poison_pages): Don't be overzealous.
14257 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14259 * alias.c: Update comments for ADDRESS.
14260 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14261 it is a local memory reference.
14263 * c-typeck.c (build_function_call): Check that the built-in
14264 function is of class BUILT_IN_NORMAL before trying to recongize
14265 it as BUILT_IN_ABS.
14266 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14267 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14269 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14271 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14273 (pre_gcse): Likewise.
14274 (hoist_expr_reaches_here_p): Likewise.
14275 (hoist_code): Likewise.
14276 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14278 (pre_expr_reaches_here_p_work): ... here.
14279 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14281 (expr_reaches_here_p_work): ... here.
14283 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14285 * resource.c (find_basic_block): Delete.
14286 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14287 (init_resource_info): Call compute_bb_for_insn.
14289 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14291 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14292 with already adjacent blocks, but no fallthru.
14293 (merge_blocks_move_successor_nojumps): Simplify.
14294 (debug_flow_info): New.
14296 * toplev.c (rest_of_compilation): Open jump1 dump file before
14297 jump and close after, as opposed to just using dump_rtl.
14299 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14301 * reload.h (earlyclobber_operand_p): Declare.
14302 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14303 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14304 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14305 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14307 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14308 Richard Henderson <rth@cygnus.com>
14310 * emit-rtl.c (emit_block_insn_before): New.
14311 (emit_block_insn_after): New.
14312 * basic-block.h: Declare them.
14314 * bitmap.h: Protect from multiple inclusion.
14316 * recog.c (scratch_operand): Handle VOIDmode correctly.
14318 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14320 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14321 * function.c (assign_parms): Likewise.
14322 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14324 * reg-stack.c (max_uid): Remove.
14325 (blocks, block_begin, block_end, block_drops_in): Remove.
14326 (block_stack_in, block_out_reg_set, block_number): Remove.
14327 (struct block_info_def, BLOCK_INFO): New.
14328 (enum emit_where): New.
14329 (current_block): New.
14330 (BLOCK_NUM): Remove.
14331 (mark_regs_pat, record_label_references): Remove.
14332 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14334 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14335 (reg_to_stack): Simplified test for existance of fp code. Use
14336 flow.c code. Call shorten_branches after cross-jump opt.
14337 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14338 Return false if the asm doesn't use stack regs. Don't do life
14339 analysis on the asm.
14340 (emit_pop_insn): Replace function pointer arg `when' with
14341 enum `where'. Update all callers.
14342 (change_stack): Likewise. Update basic block end.
14343 (emit_swap_insn): Use current_block->head to limit reverse search
14344 for start of block. Use emit_block_insn_after.
14345 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14346 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14347 structure assignment instead of bcopy.
14348 (print_stack): New.
14349 (convert_regs_entry, convert_regs_exit): New.
14350 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14351 Work on basic blocks and the CFG.
14352 (convert_regs): Use them.
14354 * i386.c (output_fix_trunc): Remove code for DImode input operand
14355 not at top-of-stack.
14356 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14358 (fix_truncdi_1): Allow any mode scratch.
14360 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14362 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14363 * linux.h, netbsd.h, vms.h: Not here.
14365 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14367 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14368 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14369 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14370 CONDITIONAL_REGISTER_USEAGE): Use them.
14371 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14372 gen_conditional_branch,override_options) : Use them.
14373 * config/mips/mips.md : Use them.
14375 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14377 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14379 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14381 * integrate.c (function_cannot_inline_p): Don't allow inlining
14384 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14386 * c-parse.in (cast_expr): Constify.
14388 * cccp.c (special_symbol): Likewise.
14390 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14392 * dwarf2out.c (base_type_die): Likewise.
14394 * global.c (allocno_compare): Likewise.
14396 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14398 * regclass.c (fix_register): Likewise.
14400 * rtl.h (fix_register): Likewise.
14402 * stupid.c (stupid_reg_compare): Likewise.
14404 * toplev.c (decode_f_option): Likewise.
14406 * tree.c (build_complex_type): Likewise.
14408 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14410 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14412 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14414 * reload.c (find_reloads): Compute mode and nregs fields of all
14416 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14417 (calculate_needs): Use precomputed mode/nregs values.
14418 (allocate_reload_reg): Likewise.
14420 (failed_reload, set_reload_reg): ... new functions.
14421 (choose_reload_regs_init): New function, mostly broken out from...
14422 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14423 Also lose one #if 0 block.
14425 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14427 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14430 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14432 * tree.h (BLOCK_TYPE_TAGS): Remove.
14433 (BLOCK_END_NOTE): Likewise.
14434 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14435 (BLOCK_LIVE_RANGE_START): Likewise.
14436 (BLOCK_LIVE_RANGE_END): Likewise.
14437 (tree_block): Remove live_range_flag, live_range_var_flag, and
14438 type_tags. Remove end_note, live_range_start, and live_range_end.
14439 (remember_end_note): Remove prototype.
14440 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14441 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14443 * ggc-common.c (ggc_mark_tree_children): Don't mark
14444 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14445 * integrate.c (adjust_copied_decl_tree): Remove.
14446 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14447 * stmt.c (last_block_end_note): Remove.
14448 (init_stmt): Don't add a GC root for it.
14449 (expand_fixup): Don't set it.
14450 (remember_end_note): Remove.
14451 (expand_end_bindings): Don't set last_block_end_note.
14453 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14455 * reload1.c (reload_reg_free_for_value_p): Show
14456 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14459 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14461 * expmed.c (extract_bit_field): Allow for the case of non-integer
14462 objects that are smaller than a word (like SFmode on a 64-bit
14465 * loop.c (basic_induction_var): A non-integer variable which is
14466 being set by a paradoxical subreg is probably not a biv.
14468 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14470 * prefix.c (translate_name) Check for empty prefix string.
14472 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14474 * Makefile.in (CPP_CROSS_NAME): New variable.
14475 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14477 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14478 names of the files to be uninstalled.
14480 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14482 * collect2.c (IS_DIR_SEPARATOR): Define.
14483 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14485 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14488 * haifa-sched.c (add_dependence): Update the true dependency
14489 cache the first time we add a true dependence to the LOG_LINKS chain.
14491 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14493 * fold-const.c (fold): Fix comment.
14495 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14497 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14498 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14499 dbxout_start_new_source_file, dbxout_source_file,
14500 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14501 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14503 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14504 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14505 (dbxout_block): Initialize variable `blocknum'.
14507 * dbxout.h (dbxout_init, dbxout_finish,
14508 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14509 dbxout_args, dbxout_source_line): Constify a char*.
14511 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14512 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14513 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14514 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14515 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14516 src_info_attribute, mac_info_attribute, producer_attribute,
14517 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14518 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14519 dwarfout_undef): Constify a char*.
14520 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14522 * dwarfout.h (dwarfout_define, dwarfout_undef,
14523 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14525 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14527 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14528 (MULTILIB_ISA_DEFAULT): New.
14529 (MULTILIB_DEFAULTS): Use it.
14530 * config/mips/mips.c (): Remove the now unnecessary definition
14531 of MIPS_ISA_DEFAULT.
14532 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14533 unnecessary definition.
14535 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14537 * arm.md (pic_load_addr): Add constraints to operand 1.
14539 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14541 * fixinc/genfixes: Provide a means for specifying -D options to
14544 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14546 * arm.c (arm_override_options): Correct initialization of
14547 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14548 arm_is_strong, and arm_is_6_or_7.
14550 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14551 (note_set_pseudo_multiple_uses): New function.
14552 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14553 if a pseudo set in the loop exit is used elsewhere.
14555 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14557 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14559 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14561 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14562 a single load-address pattern.
14564 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14566 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14567 depending on whether or not line-number notes are present.
14569 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14571 * cccp.c (progname, file_buf, default_include, include_file,
14572 macrodef, definition, hashval, wchar_type, user_label_prefix,
14573 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14574 expand_to_temp_buffer, is_system_include, base_name,
14575 absolute_filename, read_name_map, open_include_file,
14576 record_control_macro, check_precompiled, check_preconditions,
14577 pcfinclude, pass_thru_directive, create_definition,
14578 check_macro_name, comp_def_part, collect_expansion,
14579 check_assertion, read_token_list, assertion_install,
14580 assertion_lookup, eval_if_expression, conditional_skip,
14581 validate_else, skip_quoted_string, quote_string, macarg1,
14582 error_from_errno, install, lookup, hashf, dump_defn_1,
14583 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14584 check_white_space, rescan, handle_directive, monthnames,
14585 special_symbol, do_include, remap_include_file, write_output,
14586 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14587 do_ident, do_sccs, do_xifdef, skip_if_group,
14588 output_line_directive, macroexpand, macarg, change_newlines,
14589 initialize_builtins, make_definition): Constify a char*.
14591 * pcp.h (stringdef): Likewise.
14593 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14595 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14598 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14599 Richard Henderson <rth@cygnus.com>
14601 * alias.c: Include ggc.h.
14602 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14603 (record_set): Verify enough room in reg_base_value.
14604 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14605 Register it as a GC root.
14606 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14607 * Makefile.in (alias.o): Depend on ggc.h.
14609 * unroll.c (unroll_loop): Verify the insn before a barrier
14610 is a JUMP_INSN before checking JUMP_LABEL.
14612 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14614 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14615 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14616 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14617 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14618 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14619 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14621 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14623 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14625 * alpha/alpha-interix.h (text_section): Delete prototype.
14626 * alpha/elf.h (text_section): Likewise.
14627 * arm/linux-elf.h (text_section): Likewise.
14628 * arm/linux-telf.h (text_section): Likewise.
14629 * c4x/c4x.h (text_section): Likewise.
14630 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14631 * elfos.h (text_section): Likewise.
14632 * i386/aix386ng.h (text_section): Likewise.
14633 * i386/i386-interix.h (text_section): Likewise.
14634 * i386/sco5.h (text_section): Likewise.
14635 * i386/svr3gas.h (text_section): Likewise.
14636 * nextstep.h (text_section): Likewise.
14637 * psos.h (text_section): Likewise.
14638 * ptx4.h (text_section): Likewise.
14639 * svr3.h (text_section): Likewise.
14640 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14642 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14644 * final.c (peephole): Delete prototype.
14646 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14647 (pre_insert_copies): Remove unused variable `bb'.
14649 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14652 * output.h (peephole): Add prototype.
14654 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14656 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14659 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14661 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14662 for inlined declarations.
14664 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14666 * arm.c (logical_binary_operator): New fucntion.
14667 * arm.h (logical_binary_operator): Declare it.
14668 (PREDICATE_CODES): Handle logical_binary_operator.
14669 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14670 output constraints. Add appropriate splitters.
14671 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14672 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14673 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14675 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14677 * genoutput.c (struct operand_data): New elt eliminable.
14678 (output_operand_data): Write it.
14679 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14680 (compare_operands): Take it into account.
14681 * recog.h (struct insn_operand_data): New elt eliminable.
14682 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14684 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14685 (eliminate_regs): Move code that detects changes to elimination
14686 target regs into new function elimination_effects.
14687 Delete one #if 0 block.
14688 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14689 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14690 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14691 Only call eliminate_regs for real operands of the insn, not for parts
14692 of its structure or parts matched by things like match_operator.
14693 Use elimination_effects and check_eliminable_occurrences. Use
14694 copy_insn to duplicate the pattern when not in the final pass.
14696 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14698 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14701 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14703 * fixinc/README: document the "mach" machine matching test
14704 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14705 * fixinc/fixtests.c: Implement the #else/#endif label test
14706 * fixinc/inclhack.def: utilize these tests and fixes
14707 * fixinc/inclhack.sh: regen
14708 * fixinc/fixincl.x: regen
14709 * fixinc/fixincl.sh: regen
14711 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14713 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14716 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14718 * gcc.1: Document exit codes.
14720 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14722 * calls.c: Include tm_p.h later, so everything we need is defined.
14723 * expr.c: Likewise.
14724 * function.c: Likewise.
14726 * except.c: Include tm_p.h.
14728 * sparc.c: Likewise.
14729 (dwarf2out_cfi_label): Don't prototype.
14730 (check_return_regs, epilogue_renumber,
14731 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14732 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14733 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14734 ultra_schedule_insn): Add static prototype.
14735 (data_segment_operand, text_segment_operand): Call itself with the
14736 proper number of arguments.
14737 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14739 * sparc.h: Move all declarations to sparc-protos.h.
14740 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14743 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14745 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14747 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14748 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14749 ASM_OUTPUT_ASCII): Constify a char*.
14751 * sparc-protos.h: New file for sparc prototypes.
14753 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14755 * function.c (record_insns, contains): Always declare and define.
14756 (record_insns): Mark with ATTRIBUTE_UNUSED.
14758 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14760 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14761 to .section when outputting a .bss section to deal with multiple
14762 .bss input sections (as happens with -fdata-sections)
14763 Also output %progbits, not @progbits so the assembler doesn't treat as
14765 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14767 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14768 thumb parts even when building with non-thumb CPUs, by forcing
14771 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14773 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14774 (movdf_const_intreg_sp64): Similarly.
14776 * local-alloc.c (update_equiv_regs): Check the correct insn
14777 for pre-existing REG_EQUIV notes.
14779 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14781 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14782 block reached by a branch if we're not going to actually process
14785 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14787 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14788 a local extern function declaration.
14790 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14792 * i386.c (ix86_expand_prologue): Properly wrap USE around
14793 reg for CALL_INSN_FUNCTION_USAGE.
14795 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14797 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14798 move between GP_REGs.
14800 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14802 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14803 the mode size when finding out if an offset is legal.
14805 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14807 * basic-block.h (PROP_*): Move constants from ...
14808 * flow.c: ... here.
14809 (compute_bb_for_insn): Free the array before reallocating.
14810 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14811 (allocate_reg_life_data): Reset all reg variables collected by
14813 (get_block_head_tail): Don't convert from bb to block.
14814 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14815 (find_insn_reg_weight): Take block not bb.
14816 (schedule_block): Don't set block num for moved insns.
14817 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14818 (schedule_insns): Do it here instead.
14819 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14820 before update_life_info.
14821 * recog.c (split_all_insns, peephole2_optimize): Update for
14822 new arg to update_life_info.
14823 * rtlanal.c (remove_note): Cope with NULL note.
14824 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14827 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14829 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14831 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14832 block records so that merge_blocks_nomove will clean up correctly.
14833 (split_edge): Handle casesi insns.
14835 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14837 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14839 * pa.md (call, call_value): Do not emit a blockage after restoring
14842 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14844 * c-typeck.c (c_expand_asm_operands): Fix typo.
14846 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14848 * arm.c (fpu_rhs_operand): Verify modes.
14849 (fpu_add_operand): Likewise.
14850 (di_operand): Likewise.
14851 (soft_df_operand): Likewise.
14853 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14855 * arm.c (arm_return_in_memory): APCS rules state that the elements
14856 of a structure returned in a register must be 'integer-like'.
14858 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14860 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14861 in the source tree when the generated targets are out of date
14862 * fixinc/genfixes: Alter it to run individual fixes for make.
14863 * fixinc/README: rewrite
14864 * fixinc/inclhack.def: moved initial comments to README
14866 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
14868 * toplev.c (main): Do not generate an error message if an
14869 unrecognised command line switch is recognisable by another
14870 language. If extra_warnings are enabled, then generate a
14871 warning message instead.
14873 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
14875 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
14876 (insert_pack_attributes): Delete prototype.
14878 * c-pragma.c (default_alignment): New static variable.
14879 (push_alignment): Initialize to current effective alignment.
14880 (pop_alignment): Use to set new alignment.
14881 (insert_pack_attributes): Delete function.
14882 (handle_pragma_token): Set default_alignment as well each time
14883 a #pragma pack(<n>) is encountered.
14885 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
14887 * reg-stack.c (stack_result): Aggregates are not returned in
14890 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14892 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
14894 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
14896 * basic-block.h (set_block_num): Declare.
14897 * flow.c (update_life_info): Don't call compute_bb_for_insn
14898 or free_basic_block_vars.
14899 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
14900 (insn_orig_block): Remove.
14901 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
14902 (schedule_block): Keep BLOCK_NUM up-to-date.
14903 (schedule_insns): Use compute_bb_for_insn.
14904 * recog.c (split_all_insns): Likewise.
14905 (peephole2_optimize): Likewise.
14907 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
14909 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
14910 if the pic register is used.
14912 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14914 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
14915 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
14916 if that tests TREE_PERMANENT.
14918 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
14920 * cse.c (invalidate_for_call): Do not remove memory references from
14921 the table here. It's handled elsewhere.
14923 * haifa-sched.c (add_dependence): Protect references to the
14924 true dependency cache with #ifdef INSN_SCHEDULING.
14925 (remove_dependence): Similarly.
14927 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
14928 to the cfg code that this is a return instruction.
14929 * mn10300.md (return_internal): Similarly.
14931 * combine.c (get_last_value): If the last set of a register
14932 is after subst_low_cuid, then we can not use it to determine
14933 the register's last value.
14935 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14937 * Makefile.in: Back out previous change.
14939 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
14941 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
14943 * haifa-sched.c (add_dependence): Only check/update the cache
14945 (remove_dependence): Likewise.
14946 (schedule_insns): Only create the true_dependency_cache if the
14947 average number of instructions in a basic block is very large.
14949 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14951 * Makefile.in (ggc-common.o): Depend on genrtl.h.
14952 (ggc-simple.o): Likewise.
14953 (ggc-page.o): Likewise.
14955 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
14957 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
14958 Prototype for exported functions.
14959 (pre_lcm, pre_rev_lcm): Remove prototypes.
14960 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
14961 (compute_available): Move to lcm.c, and change parameter order.
14962 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
14963 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
14964 (gcse_main): No longer call compute_preds_succs. Rebuild the
14965 set table after reach pre pass.
14966 (pre_insert_map, pre_delete_map, edge_list): New.
14967 (alloc_pre_mem): Allocate edge vectors.
14968 (free_pre_mem): Delete edge vectors.
14969 (compute_pre_data): Call new edge based lcm routines.
14970 (process_insert_insn): New function.
14971 (insert_insn_end_bb): Use it.
14972 (pre_edge_insert): New function.
14973 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
14975 (pre_insert_copies): Revamp using new edge based lcm outputs.
14976 (pre_delete): Likewise.
14977 (one_pre_gcse_pass): Insert & remove fake edges to the exit
14979 (compute_code_hoist_vbeinout): New new edge based routines.
14980 * lcm.c: Remove all the old LCM functions. Replace with new ones
14981 that work with the new cfg datastructures and work with edges
14984 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14986 * reload.h (struct reload): Add new fields "mode" and "nregs".
14987 * reload1.c: Change all occurrences of reload_mode and reload_nregs
14988 to reference the "mode" and "nregs" field within struct reload.
14990 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
14992 * haifa-sched.c (true_dependency_cache): New.
14993 (add_dependence): Use the true dependency cache to avoid expensive
14994 walks down the LOG_LINKS dependency list. Add entries to the
14995 cache as necessary.
14996 (remove_dependence): Remove entries from the true dependency cache
14998 (schedule_insns): Allocate and initialize and free the true
15001 * haifa-sched.c (schedule_insns): Do not remove inter-block
15002 dependencies anymore.
15004 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15006 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15007 * i386/t-winnt: Likewise.
15009 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15011 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15013 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15015 * Makefile.in (LANGUAGES): Omit "proto".
15016 (clean): Remove stale comment about removing unprotoize.c.
15018 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15020 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15021 using arithmetic on void pointers.
15023 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15025 * haifa-sched.c (compute_block_forward_dependencies): Only check
15026 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15028 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15030 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15031 (expr_equiv_p): Reject memories with different alias sets.
15033 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15035 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15036 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15037 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15038 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15039 (lang_init): Set default for flag_bounds_check if still "unspecified".
15041 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15043 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15045 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15047 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15050 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15052 * config/c4x/c4x.md (*db_noclobber,
15053 *decrement_and_branch_until_zero_noclobber): New patterns and
15054 associated splitters.
15056 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15058 * config/c4x/c4x.md (parallel instruction patterns): Rework
15059 constraints to keep reload happy.
15061 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15063 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15064 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15065 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15066 Add new patterns and associated post-reload splitters.
15068 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15070 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15072 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15074 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15076 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15078 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15080 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15083 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15085 * pa.c (move_operand): Rely on memory_address_p to determine the
15086 validity of non-indexed memory addresses.
15087 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15088 operand in DFmode and SFmode when generating PA2.0 code.
15090 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15092 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15094 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15096 * mips.c (function_prologue): Fix argument types.
15097 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15098 (casesi_internal): Write to the scratch register.
15100 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15102 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15104 (parse_charconst): Delete unnecessary cast when calling
15106 (cpplib.h): Kill prototype of cpp_parse_escape.
15108 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15110 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15111 * unroll.c (unroll_loop): Cast return value of alloca.
15112 * i370/i370.c: Include function.h and toplev.h.
15113 (i370_label_scan): Remove c++ commented abort.
15114 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15115 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15116 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15117 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15119 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15121 * config/t-freebsd: Do not override USER_H.
15122 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15124 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15125 Mumit Khan <khan@xraylith.wisc.edu>
15127 * c-parse.in (component_decl): Support anonymous struct/union.
15129 * c-parse.y: Regenerate.
15130 * c-parse.c: Likewise.
15131 * objc/objc-parse.y: Likewise.
15132 * objc/objc-parse.c: Likewise.
15133 * c-decl.c (finish_struct): Don't sort the fields.
15134 (field_decl_cmp): Delete unused function.
15136 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15138 * sparc.md (movsf_const_intreg): Revert last constraint change.
15139 (movdf_const_intreg_sp32): Likewise.
15141 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15143 * cse.c: Include hashtab.h instead of splay-tree.h
15144 (struct cse_reg_info): No longer use variant union. Add new
15145 field "regno". All references changed to avoid union.
15146 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15147 (free_cse_reg_info): Remove.
15148 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15149 (get_cse_reg_info): Revamp to use expandable hash tables instead
15150 of splay trees. Initialize new fields in cse_reg_info structure.
15151 (new_basic_block): Similarly.
15153 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15155 * genrecog.c (message_with_line): Prototype.
15156 (validate_pattern): Pass along the set for the dest, not a flag.
15157 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15158 Check for PC/CC0 as sources.
15159 (nodes_identical): Check for children position match before
15160 allowing the combination.
15162 * rtl.c (read_rtx): Track line number across \\\n.
15164 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15166 * mips.h (SPECIAL_MODE_PREDICATES): New.
15167 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15168 (movdi+1, movsi+1): Add output reload constraint.
15169 (casesi_internal): Likewise. Fix commentary.
15170 (return_internal): Use pmode_register_operand.
15172 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15174 * 1750a.md (movstrqi): Add missing output reload constraint.
15175 (call_value): Likewise.
15176 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15177 (jmpfdec): Add missing inout reload constraint.
15178 * elxsi.md (addsi patterns): Add missing output reload constraint.
15179 (move from sp): Use @ alternates.
15180 (call_value): No constraint on output.
15181 * fr30.md (movsi_pop): Add missing output reload constraint.
15182 (movsf_constant_store): Likewise.
15183 (splits): Remove constraints.
15184 (subsi3): Add missing mode.
15185 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15186 (call_value): Likewise.
15187 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15188 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15189 * m32r.md (movsicc_internal): Add output reload constraint.
15190 (movstrsi_internal): Add inout reload constraints.
15191 * m88k.h (reg_names): Don't declare.
15192 (SPECIAL_MODE_PREDICATES): New.
15193 * m88k.md (*): Use register_operand not reg_or_0_operand
15195 * mn10200.h (PREDICATE_CODES): New.
15196 * ns32k.md (ffs pattern): Add output reload constraint.
15197 * pdp11.md (sob pattern): Add inout reload constraint.
15198 * sh.md (splits): Remove constraints.
15199 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15200 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15201 * vax.md (jgequ pattern): Add inout reload constraint.
15203 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15205 * configure.in (djgpp): Revert previous patch.
15206 * configure: Rebuit.
15207 * config/i386/djgpp.h: Revert previous patch.
15209 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15211 * fixinc/inclhack.def: Restore patch lost during last merge of
15212 "no_bogosity" branch.
15213 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15215 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15217 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15218 * fixinc/inclhack.def: Same.
15219 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15221 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15223 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15224 as the base of a PLUS.
15226 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15228 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15229 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15231 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15233 * pa.md (post_stw+1): Use pmode_register_operand.
15234 (dcacheflush, icacheflush): Likewise.
15236 * i386.md (movstricthi_1): Allow r/r.
15238 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15240 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15241 to (not (and (arg0) (arg1))). Similary for and.
15243 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15244 fallthrough to associate code.
15245 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15248 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15249 no bits in common; remove XOR to ROTATE conversion.
15251 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15253 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15255 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15257 * config/c4x/c4x.c (dst_operand): New.
15258 (PREDICATE_CODES): Update.
15259 * config/c4x/c4x.h (dst_operand): Declare it.
15260 * config/c4x/c4x.md: Define mode for each unspec usage.
15261 (move patterns): Use dst_operand predicate instead of src_operand.
15262 (movqi_update, movqf_update): Delete.
15264 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15266 * recog.c (pmode_register_operand): New.
15267 * recog.h: Declare it.
15268 * genrecog.c (pred_codes): Likewise.
15269 (special_mode_pred_table): Likewise.
15270 (validate_pattern): Don't warn no mode for address_operand.
15272 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15273 if the operand is not insn-like.
15275 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15276 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15278 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15280 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15282 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15283 instead of general_operand in a SET_DEST. Use const_double_operand
15284 instead of an explicit test against CONST_DOUBLE.
15285 (movsf_const_lo): Add missing register mode.
15286 (goto_handler_and_restore): Add auxiliary test for Pmode.
15287 (flush): Adjust to use address_operand.
15288 (return_sf_no_fpu): Add missing output constraint.
15290 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15292 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15293 for call return value.
15294 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15296 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15298 * toplev.c (main): Only warn about options for other languages.
15299 * collect2.c (main): Pass -w to sub-gcc.
15301 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15303 * flow.c (propagate_block): Add call-clobbered registers to
15306 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15307 zapping mem_set_list.
15308 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15309 (mark_set_1, mark_used_regs): Likewise.
15311 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15313 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15315 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15317 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15318 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15319 options. Also add a new item "C-only Warning Options" to the
15322 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15324 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15325 from multiple calls.
15327 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15329 * i386.md (call value patterns): Move to the end of the file.
15330 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15332 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15334 * configure.in (djgpp configuration): Define extra_objects..
15335 * configure: Rebuilt.
15336 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15337 (DTORS_SECTION_ASM_OP): Define.
15338 (INIT_SECTION_ASM_OP): Define.
15339 (FINI_SECTION_ASM_OP): Define.
15340 (DATA_SECTION_ASM_OP): Define.
15341 (TEXT_SECTION_ASM_OP): Define.
15342 (EH_FRAME_SECTION_ASM_OP): Define.
15343 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15344 (STARTFILE_SPEC): Add crtbegin.o.
15345 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15346 to here from LINK_COMMAND_SPEC.
15347 (DO_GLOBAL_CTORS_BODY): Define.
15348 (CRTSTUFF_USE_FINI_SECTION): Define
15349 (HAS_INIT_SECTION): Delete.
15351 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15353 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15355 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15357 * pa.h (PREDICATE_CODES): New.
15359 * genrecog.c (validate_pattern): Condense the destination
15360 non-lvalue message.
15362 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15364 * alpha.md (call-1): Supply missing mode for operator.
15365 (*): Add missing output reload constraints. Remove constraints
15366 from define_splits.
15368 * i386.h (SPECIAL_MODE_PREDICATES): New.
15369 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15370 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15371 (addsi_lea_3): Add missing mode for op 3.
15372 (prologue_set_got, prologue_get_pc): Add missing modes.
15373 (*) Add missing output reload constraints.
15375 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15377 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15378 check for member bit-size overflow and use var_size if it occurs.
15379 (layout_record): Use bitsize_int() to define the type size in bits.
15380 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15381 (layout_decl): Likewise when assigning to DECL_SIZE.
15383 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15385 * genrecog.c (validate_pattern): Typo last change. Verify
15386 that output operands have output reloads.
15388 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15390 * genrecog.c (special_mode_pred_table): New.
15391 (NUM_SPECIAL_MODE_PREDS): New.
15392 (find_operand): New.
15393 (validate_pattern): New argument `insn'. Warn for assignment to
15394 any predicate accepting non-lvalues. Conditionaly warn for
15395 match_operand without a mode. Try much harder to match source
15396 and destination modes on a set.
15397 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15399 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15401 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15403 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15405 * combine.c (simplify_logical): Recognize xor pattern that encodes
15408 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15410 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15413 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15415 * ggc-page.c (MAP_FAILED): Provide default.
15417 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15419 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15420 * sparc.h (PREDICATE_CODES): Update.
15422 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15424 * alpha.c (some_ni_operand): New.
15425 * alpha-protos.h: Declare it.
15426 * alpha.h (PREDICATE_CODES): Update.
15427 * alpha.md (sXaddq reload insns): Use some_ni_operand
15428 for SET_DEST instead of some_operand.
15430 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15431 Jim Wilson <wilson@cygnus.com>
15433 * genrecog.c (maybe_both_true_2): Don't compare modes of
15435 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15436 after find_afterward.
15437 (debug_decision_1): Dump next and afterward codes.
15439 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15441 * rtl.c (dump_and_abort): Remove.
15442 (fatal_with_file_and_line): New.
15443 (fatal_expected_char): New.
15444 (read_rtx_lineno, read_rtx_filename): New.
15445 (read_skip_spaces): Track line number.
15446 (read_name): Use fatal_with_file_and_line.
15447 (read_rtx): Use fatal_expected_char. Track line number.
15448 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15450 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15451 if it isn't a CODE_LABEL.
15453 * genattr.c (main): Set read_rtx_filename.
15454 * genattrtab.c (main): Likewise.
15455 * gencodes.c (main): Likewise.
15456 * genconfig.c (main): Likewise.
15457 * genemit.c (main): Likewise.
15458 * genextract.c (main): Likewise.
15459 * genflags.c (main): Likewise.
15460 * genopinit.c (main): Likewise.
15461 * genoutput.c (main): Likewise.
15462 * genpeep.c (main): Likewise.
15464 * genrecog.c (decision_test.u.insn): Add `lineno'.
15465 (pattern_lineno, error_count): New variables.
15466 (message_with_line): New.
15467 (add_to_sequence): Break out checking code to ...
15468 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15469 (merge_insn): Use message_with_line.
15470 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15471 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15473 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15475 * expr.c (store_constructor): Clear union if constructor is empty.
15477 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15479 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15480 Add !endian checks. Change %{...} to %(...).
15482 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15484 * i386.md (*addsi3_cc): Renamed from addcsi3.
15485 (*addsi3_carry): Renamed from addxsi3.
15486 (*subsi3_cc): Renamed from subcsi3.
15487 (*subsi3_carry): Renamed from subxsi3.
15488 (*xorqi_cc_1): Renamed from xorcqi_1.
15489 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15490 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15492 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15494 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15495 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15497 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15499 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15500 climb up the chain of insns.
15502 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15504 * genrecog.c (write_subroutine): Careful for null trees.
15505 (process_tree): Don't elide empty functions.
15507 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15509 * Makefile.in (genrtl.o): Depend on ggc.h.
15510 * configure.in (valloc): Probe for it.
15511 (with-gc): Use ggc-page if valloc present.
15512 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15513 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15514 (ggc_alloc_string): Moved from ggc-page.c.
15515 * ggc-none.c (ggc_alloc_obj): New.
15516 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15517 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15518 (struct globals): Likewise for dev_zero_fd.
15519 (init_ggc): Likewise for it's initialization.
15520 (ggc_allocated_p): Move careful dereference from ...
15521 (ggc_lookup_page_table): ... here. Delete.
15522 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15523 (alloc_anon): Use valloc if no mmap.
15524 (release_pages): Use free if using valloc.
15525 (ggc_alloc_obj): Renamed from alloc_obj.
15526 (ggc_set_mark): Renamed from mark_obj.
15527 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15528 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15529 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15530 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15531 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15532 (ggc_collect): Use fp printing instead of our own rounding.
15533 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15534 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15535 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15536 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15537 (struct ggc_string, struct ggc_any): Delete.
15538 (offsetof): Provide default definition.
15539 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15541 (struct ggc_mem): New, from corpse of ggc_any.
15542 (struct ggc_status): Delete.
15543 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15544 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15545 (n_strings_collected, n_anys_collected): Delete.
15546 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15547 (ggc_alloc_string, ggc_alloc): Delete.
15548 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15549 (ggc_free_string, ggc_free_any): Delete.
15550 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15551 (ggc_compare_addresses, ggc_mark_string): Delete.
15552 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15553 (search_data): Delete.
15554 (struct globals): New.
15555 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15556 (tree_insert, tree_lookup): New.
15557 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15558 (clear_marks, sweep_objs): New.
15559 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15560 (init_ggc): Set allocated_last_gc.
15561 (ggc_push_context): Gut. Use G.context.
15562 (ggc_pop_context): Likewise.
15563 (ggc_pop_context_1): New.
15564 (debug_ggc_tree): New.
15565 (debug_ggc_balance, tally_leaves): New.
15566 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15567 (ggc_mark_string_if_gcable): Remove decl.
15568 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15569 (ggc_mark_rtvec_children): New.
15570 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15571 (ggc_mark_if_gcable): New decl.
15572 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15573 (ggc_alloc_tree, ggc_alloc): Likewise.
15574 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15575 (ggc_alloc_obj): New decl.
15576 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15577 (ggc_alloc_tree, ggc_alloc): Likewise.
15578 (ggc_set_mark): New decl.
15579 * rtl.h (struct rtx_def): Remove gc_mark.
15580 (struct rtvec_def): Likewise.
15581 * tree.h (struct tree_common): Likewise.
15583 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15585 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15586 float_format and thread_file definitions.
15587 * configure: Rebuilt.
15589 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15591 * extend.texi (Function Names): Document types of function names.
15593 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15595 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15596 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15598 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15600 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15602 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15604 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15606 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15608 * collect2.c (main): Do prelimnary link on AIX if rflag.
15610 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15612 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15613 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15615 (__do_global_dtors): similarly for __DTOR_LIST__.
15617 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15618 Diego Novillo <dnovillo@cygnus.com>
15620 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15623 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15625 * fixincl/*: Merged "no_bogosity" branch
15626 * fixincl/fixlib.h: protect against doubly defining t_bool
15627 * fixincl/server.h: protect against doubly defining t_bool
15629 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15631 * genoutput.c: Include toplev.h.
15633 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15635 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15637 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15638 * configure: Regenerate.
15640 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15642 * gcse.c (delete_null_pointer_checks): Returns void.
15644 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15646 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15647 * emit-rtl.c (copy_insn_1): Likewise.
15649 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15651 * config/mips/mips.c (mips_build_va_list): Correct
15652 TREE_CHAIN setting when hard-float.
15653 (mips_va_start): Use corrected setting.
15654 (mips_va_arg): Likewise. Also pass a tree to build of
15655 POSTINCREMENT_EXPR rather than a naked 'int'.
15657 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15659 * ggc.h (ggc_push_context): Fix comment.
15660 (ggc_pop_context): Likewise.
15661 (mark_string_if_gcable): Likewise.
15662 * ggc-common.c (ggc_mark_rtx_children): Use
15663 ggc_mark_string_if_gcable.
15664 * ggc-page.c (ggc_lookup_page_table): New function.
15665 (ggc_allocated_p): Likewise.
15666 (mark_obj): Fix formatting.
15667 (ggc_mark_string_if_gcable): New function.
15668 * ggc-simple.c (ggc_allocated_strings): New variable.
15669 (ggc_strings_used): Likewise.
15670 (ggc_compare_addresses): New function.
15671 (ggc_pop_context): Pop the `any' memory too.
15672 (ggc_mark_string_if_gcable): New function.
15673 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15675 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15677 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15678 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15679 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15682 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15684 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15685 (sched_reg_live_length, sched_reg_basic_block): Delete.
15686 (current_block_num, bb_live_regs, old_live_regs): Delete.
15687 (dead_notes, struct sometimes): Delete.
15688 (sched_note_set, birthing_insn_p): Delete.
15689 (adjust_priority): Gut useless reg lifetime code.
15690 (create_reg_dead_note, attach_deaths): Delete.
15691 (attach_deaths_insn, new_sometimes_live): Delete.
15692 (finish_sometimes_live): Delete.
15693 (find_pre_sched_live, find_post_sched_live): Delete.
15694 (update_reg_usage): Delete.
15695 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15696 (schedule_insns): Delete reg lifetime code.
15697 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15698 (unlink_other_notes): Adjust REG_NOTE commentary.
15699 (reemit_notes): Use REG_SAVE_NOTE.
15700 (schedule_block): Likewise.
15701 (schedule_region): Allocate bitmap of blocks in region. Use
15702 count_or_remove_death_notes. Use update_life_info.
15704 * rtl.h (REG_SAVE_NOTE): New.
15705 * rtl.c (reg_note_name): Update.
15707 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15709 * combine.c (refresh_blocks, need_refresh): New.
15710 (combine_instructions): Allocate refresh_blocks. Invoke
15711 update_life_info if needed.
15712 (distribute_notes): Mark refresh_blocks instead of installing
15714 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15715 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15717 * Makefile.in (recog.o): Depend on basic-block.h.
15719 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15721 * genrecog.c (add_to_sequence): Thinko last change: delete
15722 shadowing allow_const_int variable.
15724 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15726 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15727 __GNUC__ and __GNUC_MINOR__.
15729 * gansidecl.h: Likewise.
15735 * toplev.h: Likewise.
15737 * tree.c: Likewise.
15739 * tree.h: Likewise.
15741 * varray.c: Likewise.
15743 * varray.h: Likewise.
15745 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15747 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15748 use one before a jump table.
15750 * rtl.def (ADDRESS): Change documentation to match reality.
15751 * md.texi: Don't document it.
15752 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15755 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15757 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15759 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15760 known predicate block; default allow_const_int true.
15761 (debug_decision_list): New.
15763 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15765 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15767 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15769 * gcse.c (gcse_main): Avoid global optimizations if we have a
15770 large number of basic blocks and the ratio of edges to blocks
15772 (delete_null_pointer_checks): Likewise.
15774 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15776 * c-common.c (check_format_info): Warn if format string isn't a
15779 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15781 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15782 * configure: regenerate
15784 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15786 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15787 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15788 (peepholes): Re-enable.
15790 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15792 * Makefile.in (flow.o): Depend on TREE_H.
15793 * basic-block.h (REG_SET_EQUAL_P): New.
15794 (XOR_REG_SET): New.
15795 (n_edges): Declare.
15796 (free_regset_vector): Remove declaration.
15797 (flow_delete_insn_chain): Declare.
15798 (enum update_life_extent): New.
15799 (update_life_info, count_or_remove_death_notes): Declare.
15800 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15801 Verify register live at bb->global_live_at_start before adding USE.
15802 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15803 (CLEAN_ALLOCA): New.
15805 (PROP_*): New flags.
15806 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15807 (clear_edges): Zero n_edges.
15808 (make_edge): Increment n_edges.
15809 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15810 (flow_delete_insn_chain): Export.
15811 (delete_block): Decrement n_edges.
15812 (merge_blocks_nomove): Likewise.
15813 (life_analysis): Give life_analysis_1 PROP flags.
15814 (verify_wide_reg_1, verify_wide_reg): New.
15815 (verify_local_live_at_start): New.
15816 (update_life_info): Rewrite to call into propogate_block.
15818 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15819 always mark stack pointer. Conditionally mark PIC register.
15820 After reload, mark call-saved registers, return regsiters.
15821 (life_analysis_1): Accept PROP flags not remove_dead_code.
15822 Call mark_regs_live_at_end before zeroing regs_ever_live.
15823 Use calculate_global_regs_live. Copy global_live_at_end before
15824 calling final propagate_block. Zero reg_next_use on exit.
15825 (calculate_global_regs_live): New.
15826 (allocate_bb_life_data): Don't allocate bb->local_set.
15827 (init_regset_vector, free_regset_vector): Remove.
15828 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15829 Test flags before every operation. Warn if prologue/epilogue insn
15830 would have been deleted.
15831 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15832 Use alloc_EXPR_LIST.
15833 (mark_used_regs): Accept and use FLAGS, not FINAL.
15834 Remove special handling for RETURN.
15835 (try_pre_increment): Use alloc_EXPR_LIST.
15836 (dump_flow_info): Dump n_edges.
15837 (unlink_insn_chain, split_hard_reg_notes): Remove.
15838 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15839 (find_insn_with_note, new_insn_dead_notes): Remove.
15840 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15841 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15842 (replace_insns): Remove.
15843 (count_or_remove_death_notes): New.
15844 (verify_flow_info): Abort on error after all checks.
15845 (remove_edge): Decrement n_edges.
15846 (remove_fake_edges): Tweek format.
15847 * haifa-sched.c (schedule_insns): Use split_all_insns.
15848 * output.h (update_life_info): Remove declaration.
15849 * recog.c (split_all_insns): From the corpse of split_block_insns,
15850 do the whole function block by block. Use update_life_info.
15851 (recog_last_allowed_insn): New.
15852 (recog_next_insn): Mind it.
15853 (peephole2_optimize): Set it. Walk backwards through blocks.
15854 Use update_life_info.
15855 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15856 (split_all_insns): Declare.
15857 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15858 Use split_all_insns.
15860 * i386.md (or -1 peep2s): Disable.
15862 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15864 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15865 a single pattern. Scrap the 'd' versions as unnecessary.
15867 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
15868 tablejump_mips162,tablejump_internal4): The operands to a
15869 label_ref must be VOIDmode.
15871 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15873 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
15875 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15877 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
15879 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15881 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
15882 cache every function if ggc_p.
15884 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15886 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
15887 instead of copy_rtx. Accept sequences that contain asm statements.
15888 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
15889 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
15890 orig_asm_operands_vector, copy_asm_operands_vector,
15891 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
15893 * rtl.h (copy_insn, copy_insn_1): Declare.
15895 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15897 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
15899 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
15900 arguments to `current_file_function_operand'.
15902 * genrecog.c: Include hard-reg-set.h and resource.h in the
15903 generated output file.
15905 * real.c: Include tm_p.h.
15907 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15909 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
15912 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
15914 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
15915 before the fctiwz insn.
15917 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15918 Mark Mitchell <mark@codesourcery.com>
15920 * tree.c (make_lang_type_fn): New funtion pointer.
15921 (make_lang_type): Call it.
15922 * tree.h (make_lang_type): Declare.
15923 (make_lang_type_fn): Likewise.
15924 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
15926 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
15928 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
15929 make sure that HIGH instructions are copied into BASE_REGS.
15931 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
15933 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
15935 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
15937 * c-decl.c (finish_struct): Use simpler method of
15938 removing elements of a singly-linked list.
15940 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
15942 * alpha.md (peephole2's): Comment out peephole2's that generate
15945 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
15947 * genrecog.c (add_to_sequence): Disable mode check for
15950 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15952 * ggc-simple.c (init_ggc): Set empty_string.
15954 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
15956 * configure.in: Detect mmap. Add --with-gc=foo to select
15957 garbage collector; default to page if mmap available.
15958 * Makefile.in (GGC): Substitute.
15960 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
15962 * c-decl.c (ggc_p): Enable.
15964 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15966 * flow.c (verify_flow_info): Make it extern & unconditionally define.
15968 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
15970 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
15971 string for little-endian-data.
15973 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
15975 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
15976 case somebody tries to compile --enable-checking code with gcc
15979 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
15981 * genrecog.c (add_to_sequence): Verify operand to label_ref is
15984 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
15986 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
15987 * jump.c (jump_optimize_1): Document why.
15989 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15991 * collect2.c (scan_prog_file, scan_libraries): Prototype function
15992 pointers and casts for `int_handler' and `quit_handler'.
15994 * flow.c (verify_flow_info, split_hard_reg_notes,
15995 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
15996 remove_edge, remove_fake_successors): Add static prototypes.
15997 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
15998 (mark_set_1): Initialize variable `regno'.
15999 (unlink_insn_chain): Likewise for variable `curr'.
16000 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16002 * loop.c (strength_reduce): Initialize variable
16003 `unrolled_insn_copies'.
16004 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16005 prototypes. Change these functions to take const PTR parameters
16006 to avoid prototype conflict when used as the comparson argument
16008 (check_dbra_loop): Initialize variable `comparison_val'.
16010 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16011 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16012 (find_valid_class): Initialize variable `best_class'.
16013 (find_reloads): Call memcpy, not bcopy.
16015 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16016 (hard_reg_use_compare): Don't needlessly cast away const.
16017 (reload_reg_class_lower): Likewise.
16018 (choose_reload_regs): Initialize variable `regno'.
16020 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16022 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16024 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16026 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16027 ({,d}discard): Add forward declarations. Declare parameter as
16029 (main_without_main): Explicitly declare return type to be int.
16030 (memcpy): Properly declare.
16032 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16033 building the trampoline support, declare malloc, free, and
16035 (__clear_cache): Mark arguments as potentially unused.
16037 * frame.c (toplevel): If inhibit_libc is defined, declare
16040 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16042 * flow.c (make_edge): Accept an optional 2D bitmap in which
16043 to cache edge existence. Update all callers.
16044 (make_label_edge, make_eh_edge): Pass through the edge cache.
16045 (make_edges): Provide the cache.
16047 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16049 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16051 (local_mbtowc): Change the type of variable `i' from int to size_t.
16053 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16054 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16056 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16058 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16059 after other includes that define the appropriate types. Include
16060 tm_p.h for getting user prototypes.
16061 * ggc-callbacks.c (toplevel): Ditto.
16062 * ggc-none.c (toplevel): Ditto.
16063 * gcc-page.c (toplevel): Ditto.
16064 * ggc-simple.c (toplevel): Ditto.
16066 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16067 Jonathan Larmour <jlarmour@cygnus.co.uk>
16069 * config/mips/mips.c (mips_move_2words): Split doubles if
16070 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16072 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16074 * genrecog.c (struct decision_test): New.
16075 (struct decision): Remove test-related members, sort the rest by size.
16076 (IS_SPLIT): Simplify.
16077 (new_decision, new_decision_test): New.
16078 (add_to_sequence): Use them. No special handling for args of
16080 (maybe_both_true): Renamed from not_both_true; return sense changed.
16081 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16082 of maybe_both_true and adjusted for decision_test.
16083 (position_merit): Remove.
16084 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16085 (merge_accept_insn): New, broken out of merge_trees.
16086 (merge_trees): Use them. No special case for c_test; no node
16087 splitting; use test type instead of position_merit.
16088 (factor_tests): New.
16089 (simplify_tests): New.
16090 (break_out_subroutines): Don't write code now.
16091 (find_afterward): New.
16092 (write_afterward, write_switch, write_cond): New.
16093 (write_action, is_unconditional): New.
16094 (write_node): New. Use them.
16095 (write_tree_1): Rewrite. Use the new functions above.
16096 (write_tree): Remove afterward processing.
16097 (write_subroutine): Simplify function variant emission.
16098 (write_subroutines): New.
16099 (same_codes, clear_codes): Remove.
16100 (same_modes, clear_modes): Remove.
16101 (write_header): New, broken out of main.
16102 (make_insn_sequence): Use new_decision and new_decision_test.
16103 (process_tree): New, broken out of main.
16104 (main): Adjust for merge_trees interface change.
16105 Don't #define operands in the output file.
16106 (record_insn_name): New, broken out of make_insn_sequence.
16107 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16108 (debug_decision): New.
16110 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16112 * resource.c (find_free_register): Mark class_str argument const.
16113 * resource.h: Update prototype to match.
16115 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16116 * i386.md: Give all anonymous insns names.
16118 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16120 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16123 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16125 * toplev.c (dbr_sched_time): Unconditional.
16126 (peephole2_time): New.
16127 (compile_file): Add pass numbers to all of the dump file suffixes.
16128 Dump peephole2_time. Don't dump times for non-applicable passes.
16129 (rest_of_compilation): Add pass numbers to dump file suffixes.
16130 Conditionalize calls to the scheduler.
16131 * invoke.texi: Update.
16133 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16135 * flow.c (make_edges): Fix insn iteration.
16136 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16137 (find_basic_blocks_1): Fix spelling mistake.
16139 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16141 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16142 always have side-effects. Use memset not bzero.
16143 (make_node): Likewise.
16145 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16147 * stmt.c (expand_anon_union_decl): When any of the elements of the
16148 union is addressable, so is the entire union.
16150 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16152 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16154 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16155 * bitmap.c (bitmap_operation): Return true iff TO changed.
16156 (bitmap_equal_p): New.
16157 (bitmap_bit_p): Tidy arithmetic.
16158 (debug_bitmap_file): Likewise.
16160 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16162 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16163 before cse2 instead of after.
16165 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16167 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16170 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16172 * cppinit.c (is_idchar initializer): Loosen tests to accept
16175 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16177 * mips.md: Define conditional move patterns for floating point
16178 operands and DI mode conditions.
16180 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16182 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16183 always have side-effects.
16185 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16187 * mn10200.c (asm_file_start): Fix typo.
16189 * cppinit.c (is_idchar initializer): Tighten tests for when
16190 to put the table into initialized memory.
16192 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16193 not an array of rtunion.
16194 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16195 * gcc-simple (ggc_free_rtvec): Similarly.
16197 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16200 * mbchar.h: Add missing #endif.
16202 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16203 (FPBIT, DPBIT): Define.
16205 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16207 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16209 * profile.c (instrument_arcs, output_gcov_string,
16210 tablejump_entry_p): Add static prototypes.
16211 (output_gcov_string): Constify a char*.
16213 * regmove.c (replacement_quality, fixup_match_2): Add static
16216 * resource.h (reg_dead_p): Add extern prototype.
16218 * rtl.c (trim_filename): Add static prototype.
16220 * scan-decls.c (skip_to_closing_brace): Likewise.
16222 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16223 (expand_end_case): Initialize variable `range'.
16224 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16226 * varasm.c (asm_emit_uninitialised): Add static prototype.
16227 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16230 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16232 * cpplib.c (if_directive_nameo): Add static prototype.
16234 * cse.c (cse_insn): Remove unused variable `p'.
16236 * except.c (create_rethrow_ref, push_entry,
16237 receive_exception_label, new_eh_region_entry, find_func_region,
16238 clear_function_eh_region, process_nestinfo): Add static prototypes.
16239 (get_reg_for_handler): Hide definition.
16240 (process_nestinfo): Initialize variable `extra_handlers'.
16242 * expr.h (expand_builtin_longjmp): Add extern prototype.
16244 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16246 * function.c (prepare_function_start): Likewise.
16247 (pop_function_context_from): Mark parameter `context' with
16249 (push_temp_slots_for_block, flush_addressof): Hide definition.
16251 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16252 solve_program_flow_graph, calculate_branch_probs,
16253 function_summary, main, fancy_abort): Add prototypes.
16255 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16256 (add_hash): Constify a char*.
16258 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16259 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16260 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16262 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16264 * lists.c (free_list, zap_lists): Likewise.
16266 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16268 * alias.c (nonlocal_reference_p): Add static prototype.
16270 * bitmap.c (bitmap_element_allocate): Prototype args in function
16273 * builtins.c (stabilize_va_list): Add static prototype.
16274 (expand_builtin_va_arg): Constify a char*.
16276 * c-lex.c (getch, put_back, extend_token_buffer_to,
16277 read_line_number, token_getch, token_put_back): Add static
16280 * c-parse.gperf (hash, is_reserved_word): Likewise.
16282 * cccp.c (is_dir_separator): Likewise.
16284 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16286 * graph.h: New file to prototype functions exported by graph.c.
16288 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16290 * graph.c: Include graph.h.
16292 * toplev.c: Likewise. Remove redundant prototypes.
16294 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16296 * invoke.texi: Removed duplicated description for -Q.
16298 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16300 * extend.texi: Grammar fix in __extension__ text.
16302 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16304 * md.texi (define_peephole2): New section.
16306 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16308 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16309 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16312 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16314 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16316 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16318 * i386.md (ffs expander): Emit Pentium friendly code for
16321 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16323 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16325 (build1): Likewise.
16327 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16329 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16331 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16333 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16334 register is in use.
16336 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16338 * md.texi (No Constraints): Delete section.
16339 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16340 * final.c (final_scan_insn): We always have register constraints.
16341 * genattrtab.c: Don't include "insn-config.h".
16342 (write_attr_case): We always have register constraints.
16343 * genconfig.c (register_constraint_flag): Delete.
16344 (walk_insn_part): Don't check whether we have register constraints.
16345 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16346 * genoutput.c (have_constraints): Delete.
16347 (main): Don't set it.
16348 (output_operand_data): We always have constraints.
16349 (scan_operands): Likewise.
16350 (compare_operands): Likewise.
16351 * local-alloc.c (block_alloc): We always have constraints.
16352 (requires_inout): Always compile this function.
16353 * recog.c (extract_insn): We always have constraints.
16354 (constrain_operands, reg_fits_class_p): Always compile these
16356 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16358 (struct insn_operand_data): Likewise.
16359 * regclass.c (regclass): We always have constraints.
16360 (record_reg_classes, copy_cost, record_address_regs,
16361 auto_inc_dec_reg_p): Always compile these functions.
16362 * regmove.c (regmove_optimize): We always have constraints.
16363 * reload.c (find_reloads): Likewise.
16364 * reload1.c (reload): Likewise.
16365 (reload_cse_simplify_operands): Likewise.
16366 * i860.c (output_delay_insn): Likewise.
16368 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16370 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16372 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16374 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16375 for the va_list record.
16377 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16379 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16382 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16384 * alias.c: Include insn-flags.h.
16385 * Makefile.in (alias.o): Update.
16387 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16389 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16390 to LTU and GEU. Handle more cases using sbb.
16392 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16394 * i386.md (truncatexfdf splitters): Do not use subreg.
16395 (fop XFmode patterns): Fix mode in operand testing.
16397 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16399 * jump.c (jump_optimize_1): Amend last change to test only the
16400 form of the operand, not the insn.
16402 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16403 not register_operand to determine when B may need preloading.
16405 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16407 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16408 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16409 (call-value patterns): Move to end of file.
16410 (*): Remove mode from label_ref in (pc) context.
16411 (movstrqi): Use memory not general_operand for BLKmode operands.
16412 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16413 to register_operand operands.
16414 (peep2 patterns): Convert from commented-out peephole patterns.
16416 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16418 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16419 to BUILT_IN_INIT_DWARF_REG_SIZES.
16420 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16421 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16422 expand_builtin_init_dwarf_reg_sizes.
16423 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16424 with __builtin_init_dwarf_reg_size_table.
16425 * dwarf2out.c (struct reg_size_range): Delete.
16426 (expand_builtin_init_dwarf_reg_sizes): New function.
16427 (expand_builtin_dwarf_reg_size): Delete.
16428 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16429 (expand_builtin_dwarf_reg_size): Don't declare.
16430 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16431 (dwarf_reg_size_table): New.
16432 (init_reg_size_table): New function.
16433 (copy_reg): Use dwarf_reg_size_table.
16434 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16437 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16439 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16440 Correctly build argument list to constructor and destructor functions.
16442 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16444 * c-tree.h (warn_float_equal): Declare.
16445 * c-decl.c (warn_float_equal): Define.
16446 (c_decode_option): Recognize -W[no-]float-equal.
16447 * c-typeck.c (build_binary_op): Conditionally warn
16448 about equality tests of floating point types.
16449 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16450 * invoke.texi: Add docs for -Wfloat-equal warning.
16452 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16454 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16455 generating RTL directly.
16456 * mips.h (INIT_TARGET_OPTABS): Likewise.
16457 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16459 * expr.h (init_mov_optab): Delete declaration
16461 * h8300.c (WORD_REG_USED): Update to avoid useless register
16462 saves in interrupt functions and functions which never return.
16464 * cse.c (struct set): Delete inner_dest_loc field.
16465 (cse_insn): Remove assignments to inner_dest_loc field.
16467 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16469 * ggc-page.c: Don't include <unistd.h> etc taken care of
16470 by "system.h". Include <sys/mman.h> afterward.
16472 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16474 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16477 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16479 * xcoffout.c (xcoffout_declare_function): Add documentation.
16480 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16481 TARGET_64BIT. Compare constant to -1, not bit pattern.
16482 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16483 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16486 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16488 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16489 origin_die is NULL.
16490 (gen_inlined_enumeration_type_die): Do not abort if the type has
16491 not been writeen out.
16492 (gen_inlined_structure_type_die): Do not abort if the type has
16493 not been writeen out.
16494 (gen_inlined_union_type_die): Do not abort if the type has
16495 not been writeen out.
16496 (gen_tagged_type_instantiation_die): Do not abort if the type
16497 has not been written out.
16499 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16501 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16503 * reg-stack.c (straighten_stack): Copy hard reg set with
16506 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16508 * builtins.c (stabilize_va_list): Stabilize array type va_list
16509 to a pointer type, not the base record type.
16510 (expand_builtin_va_copy): Dereference the pointers explicitly;
16511 use the correct size for the copy.
16513 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16514 (rs6000_va_arg): Likewise.
16516 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16518 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16520 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16522 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16524 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16526 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16528 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16529 (init_ggc): Use it instead of a constant.
16530 (ggc_collect): Bound allocated_last_gc by it.
16532 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16534 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16537 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16539 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16540 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16541 * configure: Regen.
16542 * config/mips/openbsd.h: New, OpenBSD little endian target.
16543 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16544 * config/mips/xm-openbsd.h: New, OpenBSD host.
16546 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16548 * config/m68k/m68k.c (output_function_prologue,
16549 output_function_epilogue): Use
16550 current_function_uses_pic_offset_table instead of regs_ever_live
16551 to decide whether to save/restore pic register.
16552 (legitimize_pic_address): Don't modify regs_ever_live any more.
16554 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16556 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16557 * stor-layout.c (variable_size): Don't add sizes to the pending
16558 sizes list if x_dont_save_pending_sizes_p is set.
16560 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16562 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16563 for symbolic_operand().
16564 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16566 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16568 * combine.c (gen_rtx_combine): Add missing call to va_end().
16570 * final.c (asm_fprintf): Likewise.
16572 * genattrtab.c (attr_rtx): Likewise.
16574 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16576 * cse.c: Update comments.
16577 (cse_insn): When converting a conditional/computed jump into
16578 an unconditional jump, always make sure a BARRIER immediately
16579 follows the converted jump. Do not delete unreachable code.
16580 (cse_basic_block): Do not delete unreachable code.
16581 * toplev.c (rest_of_compilation): Move call to
16582 delete_trivially_dead_insns after the conditional call to
16585 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16587 * collect2.c (make_temp_file): Don't prototype.
16589 * gcc.c (make_temp_file): Likewise.
16591 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16593 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16595 * varasm.c (asm_emit_uninitialised): New function: Generate
16596 the assembler statements necessary to declare an uninitialised
16598 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16600 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16601 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16603 (assemble_variable): Use asm_emit_uninitialised to emit an
16604 uninitialised variable.
16606 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16608 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16609 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16610 <geoffk@cygnus.com>.
16612 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16614 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16615 * c-common.h (builtin_function): Don't declare.
16617 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16619 (pushdecl): Likewise.
16620 (finish_decl): Likewise.
16621 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16622 int. All callers changed.
16623 Set the builtin's DECL_BUILT_IN_CLASS.
16624 * tree.h (enum built_in_class): New.
16625 (enum built_in_function): Delete NOT_BUILT_IN.
16626 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16628 (DECL_SET_FUNCTION_CODE): Likewise.
16629 (DECL_BUILT_IN_CLASS): New macro.
16630 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16631 (struct tree_decl): Split builtin function code field into a
16633 (builtin_function): Declare.
16635 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16637 * optabs.c (init_traps): Fix typo in last change.
16639 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16641 * toplev.c (rest_of_decl_compilation): Update comment.
16643 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16645 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16646 in .sbss if appropriate.
16647 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16648 (SBSS_SECTION_ASM_OP): New macro.
16649 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16650 (EXTRA_SECTIONS): Add in_sbss.
16651 * config/mips/mips.h: Prototype sbss_section.
16653 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16655 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16658 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16660 * optabs.c (init_traps): Register trap_rtx as a GC root.
16662 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16664 * config/mips/mips.c (function_arg_pass_by_reference): Define
16665 unconditionally, since it's called unconditionally.
16667 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16669 * toplev.c (documented_lang_options): Add -fshort-wchar.
16670 * c-decl.c (c_decode_option): Likewise.
16671 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16673 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16674 * gcc.c (default_compilers): If -fshort-wchar,
16675 override __WCHAR_TYPE__.
16676 * tm.texi (C Dialect Options): Add -fshort-wchar.
16678 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16679 symbol for a variable.
16681 * cpplib.h (CPP_PREPROCESSED): New macro.
16682 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16683 we're seeing this input for a second time.
16685 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16687 * emit-rtl.c (init_emit_once): Initialize modes first.
16689 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16691 * config/i386/i386.c (pic_label_name): Change to char pointer.
16692 (global_offset_table): New variable.
16693 (load_pic_register): Fill global_offset_table if it hasn't
16694 already been done. Allocate pic_label_name dynamically.
16695 * ggc.h (empty_string): New variable.
16696 * ggc-simple.c (empty_string): Likewise.
16697 (init_ggc): Allocate empty_string and add as root.
16698 * stmt.c (digit_strings): New variable.
16699 (init_stmt): Add last_block_end_note as root. Allocate and
16700 initialize digit_strings.
16701 (expand_asm_operands): Use empty_string instead of string
16702 constant. Use digit_strings instead of string constants.
16703 * profile.c (init_arc_profiler): Allocate string with
16704 ggc_alloc_string instead of xmalloc.
16705 (output_func_start_profiler): Likewise.
16706 * c-typeck.c (digest_init): Check if init is error_mark_node.
16708 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16709 Richard Henderson <rth@cygnus.com>
16711 * ggc-page.c: New file.
16712 * Makefile.in (ggc-page.o): New.
16714 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16716 * invoke.texi: Document -fdelete-null-pointer-checks
16717 * toplev.c (flag_delete_null_pointer_checks): New.
16718 (f_options): Add entry for -fdelete-null-pointer-checks.
16719 (rest_of_compilation): Conditionalize null pointer check
16720 elimination on flag_delete_null_pointer_checks.
16721 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16723 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16725 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16726 copyright notice and special exception to GPL.
16728 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16730 * abi64.h (mips_function_value): Add prototype arguments.
16732 * mips-protos.h: New file with mips prototypes.
16734 * mips.c: Include "tm_p.h".
16735 (mktemp, lookup_name): Add prototype arguments.
16736 (extern_list, string_constant, mips_fill_delay_slot,
16737 mips_output_external, mips_output_external_libcall,
16738 mips_output_filename, mips_declare_object, function_prologue,
16739 mips_expand_prologue, function_epilogue, mips16_constant,
16740 build_mips16_function_stub, mips_output_conditional_branch):
16742 (mips_va_start): Remove unused variable `u'.
16743 (mips_va_arg): Cast value to unsigned when comparing against one.
16745 (save_restore_insns, mips_expand_prologue): Add missing arg in
16746 call to `large_int'.
16748 * mips.h: Move prototypes to mips-protos.h.
16749 (data_section, memory_address_p, rdata_section,
16750 readonly_data_section, simple_epilogue_p, text_section): Delete
16751 prototypes delcared elsewhere.
16752 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16754 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16756 * mips.md: Delete extra args in call to `mips_move_2words'.
16758 * xm-iris6.h (alloca): Add prototype argument.
16760 * genpeep.c: Include "tm_p.h" in generated output file.
16762 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16764 * basic-block.h (find_edge_index): Change parameters.
16765 * flow.c (verify_edge_list): Pass basic_block parameters to
16766 find_edge_index instead of integers.
16768 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16770 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16773 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16775 * gcc.1: Fix a formatting error.
16777 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16779 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16780 i786, mn10200, mn10300, pdp11, v850.
16782 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16784 * libgcc2.c (num_digits): Add prototype with
16785 __attribute__((const)).
16786 (__terminate): Add prototype.
16788 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16790 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16792 * alpha/alpha.c (print_operand): Fix type of `code'.
16793 (alpha_output_filename): Constify.
16794 * alpha/alpha.h: Move all function declarations ...
16795 * alpha/alpha-protos.h: ... here. New file.
16796 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16797 (SECTION_FUNCTION_TEMPLATE): Likewise.
16799 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16801 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16802 * expr.c (expand_expr): Likewise.
16803 (do_jump): Likewise.
16804 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16805 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16807 (enum can_compare_purpose): New.
16808 (can_compare_p): Adjust prototype.
16809 (prepare_cmp_insn, prepare_operand): Declare.
16810 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16811 * optabs.c (cmp_available_p): Deleted.
16812 (expand_abs): Pass ccp_jump to can_compare_p.
16813 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16814 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16815 Call can_compare_p rather than cmp_available_p.
16816 (prepare_operand): No longer static.
16817 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16818 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16819 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16820 sequence to use emit_cmp_and_jump_insns.
16821 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16823 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16825 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16826 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16827 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16828 (plus (reg) (const_int 0))
16829 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16831 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16833 * rs6000.c (expand_block_move): DImode loads and stores require
16834 word-aligned displacements. Increment address registers with
16835 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16837 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16839 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16840 is no name for the base type, rather than segfault. If we are
16841 writing out a complex integer type, use DW_ATE_lo_user.
16843 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16844 in one word or less (complex char, complex short, or on 64 bit
16845 systems complex float) to/from a hard register, copy it through
16846 memory instead of dying in gen_{real,imag}part. If we have a
16847 short complex type, prevent inlining since it allocates stack
16850 * tree.c (build_complex_type): If we are writing dwarf2 output,
16851 generate a name for complex integer types.
16853 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16855 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16856 * flow.c (remove_edge): Remove extra whitespace.
16857 (remove_fake_edges): Fix comment.
16858 (add_noreturn_fake_exit_edges): Use the correct name.
16860 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16862 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16863 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16864 (clean): Depend on INTL_CLEAN.
16865 (maintainer-clean): Adjust.
16867 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16869 * configure.in (AC_PREREQ): Bump to 2.13.
16870 (AC_C_STRINGIZE): Call this instead of using a custom macro.
16872 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
16874 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
16876 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
16878 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
16879 (HAVE_STRINGIZE): Define.
16881 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
16883 * c-parse.in: save and restore warn_pointer_arith on __extension__
16884 along with pedantic.
16885 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
16886 Set the type of extension to itype rather than $<itype>1 kludge.
16887 * extend.texi (Alternate Keywords): Adjust documentation.
16888 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
16890 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
16892 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
16893 most assembler templates.
16895 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
16896 FP loads and stores.
16897 (following_call): Always return zero for the PA8000.
16898 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
16899 FP loads and stores.
16900 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
16902 * pa.h (BRANCH_COST): Define.
16904 * pa.md (return, return_internal): Use bve for PA2.0.
16906 * pa.md (fused multiply): Add variants which reduce height for the
16907 fused multiply, but which still generate 2 insns.
16908 (fnegabs): Similarly.
16910 * pa.md (subsi3): Turn into an expander. Create two anonymous
16911 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
16912 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
16914 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
16916 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
16918 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
16919 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
16921 * regclass.c (init_regs): Add "top_of_stack" as a garbage
16924 * flow.c (record_active_eh_regions): Terminate loop after finding
16925 the last insn in the last basic block.
16927 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16929 * config/c4x/c4x.md: Delete parallel instruction peepholes.
16931 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16933 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
16935 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16937 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
16938 splitting to not use output template.
16940 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16942 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
16943 * config/c4x/c4x.c (c4x_va_start): New function.
16945 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
16947 * genrecog.c (not_both_true): Handle correctly cases when called for
16948 tests with different positions in the insn.
16950 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16952 * machmode.h (HOST_PTR_PRINTF): Move from here ...
16954 * system.h (HOST_PTR_PRINTF): ... to here.
16956 * mips-tfile.c: Don't include machmode.h.
16958 * Makefile.in (MACHMODE_H): New variable. Update to use it.
16959 (mips-tfile.o): Don't depend on machmode.h.
16961 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16963 * haifa-sched.c (sched_analyze): Rename local variable `region' to
16964 avoid conflicts with typedef struct `region' at the top level scope.
16966 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
16968 * basic-block.h (basic_block): Add eh_beg, eh_end.
16969 * flow.c (entry_exit_blocks): Update.
16970 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
16971 Call new functions.
16972 (find_basic_blocks_1): Don't record eh_list at each bb. Use
16973 lists.c functions to allocate insn lists.
16974 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
16976 (make_eh_edge): ... here. New.
16977 (move_stray_eh_region_notes): New.
16978 (record_active_eh_regions): New.
16979 (delete_unreachable_blocks): Split out block merging ...
16980 (try_merge_blocks): ... here. New.
16981 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
16982 Dump debugging data.
16983 (merge_blocks_move_successor_nojumps): Likewise.
16984 (merge_blocks): Use eh_beg+eh_end to validate block movement.
16986 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16988 * extend.texi (Bound member functions): Document unbound pmf
16991 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16993 * flow.c (split_edge): Handle insertion on a fallthrough edge which
16994 has the EXIT_BLOCK as a dest.
16996 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16998 * flow.c (remove_edge): New function to remove an edge from the
17000 (remove_fake_successors): New function to remove fake successor edges.
17001 (remove_fake_edges): New function to remove all fake edges from the
17003 (add_fake_exit_edges): New function to add fake edges from all blocks
17004 with no successors to the exit block.
17005 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17006 prototypes for new functions.
17008 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17010 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17011 Use Pmode to determine whether to output .dword or .word.
17013 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17015 * tree.c (built_in_filename): New variable.
17016 (BUILT_IN_FILENAME): New macro.
17017 (init_tree_codes): Allocate built_in_filename.
17018 (make_node): Use built_in_filename instead of string constant.
17020 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17022 * configure.in: Add fr30 target.
17023 * configure: Regenerate.
17024 * config/fr30: New directory.
17025 * config/fr30/crti.asm: New file.
17026 * config/fr30/fr30.c: New file.
17027 * config/fr30/crtn.asm: New file.
17028 * config/fr30/fr30.h: New file.
17029 * config/fr30/fr30.md: New file.
17030 * config/fr30/lib1funcs.asm: New file.
17031 * config/fr30/t-fr30: New file.
17032 * config/fr30/xm-fr30.h: New file.
17034 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17036 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17037 BARRIER at the end of the successor, not the BARRIER before
17040 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17042 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17044 * stmt.c (any_pending_cleanups): Don't crash when
17045 current_function->stmt is unset.
17047 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17049 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17050 other initializations that may use it for relative offsets.
17052 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17054 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17055 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17056 * config/i386/sol2dbg.h: Removed.
17057 * config/i386/sol2gas.h: New file, to enable gas work-around.
17058 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17059 Don't use sol2dbg.h.
17060 * configure: Rebuilt.
17062 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17064 * invoke.texi (-fthis-is-variable): Remove documentation.
17066 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17068 * basic-block.h (compute_bb_for_insn): Declare.
17069 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17070 to use; set size of basic_block_for_insn directly.
17071 (find_basic_blocks): Update.
17073 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17075 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17077 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17079 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17080 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17082 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17084 * c-decl.c (c_decode_option): Extend comment.
17086 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17088 * toplev.c (progname): Make 'const char *'
17089 (flag_print_mem): Move out of main.
17090 (version_flag): Move out of main.
17091 (filename): Move out of main.
17092 (debug_args): Remove g prefix from options.
17093 (documented_lang_options): Remove cpplib specific options.
17094 (display_help): Add g prefix to debug options.
17095 (check_lang_option): Delete this function.
17096 (decode_d_option): New function: Decode -d... option.
17097 (decode_f_option): New function: Decode -f... option.
17098 (decode_W_option): New function: Decode -W... option.
17099 (decode_g_option): New function: Decode -g... option.
17100 (independent_decode_option): New function: Decode a language
17101 independent command line option.
17102 (main): Invoke lang_decode_option and then
17103 independent_decode_option on each command line option in
17106 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17108 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17109 * fold-const.c (fold_range_test): Do not try to fold the range
17110 test if the rhs or lhs has side effects.
17112 * basic-block.h (compute_flow_dominators): Declare.
17114 * gcse.c (alloc_code_hoist_mem): New function.
17115 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17116 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17117 (hoist_code, one_code_hoisting_pass): Likewise.
17118 (gcse_main): If optimizing for size, then hoist expressions
17119 computed in multiple dominated basic blocks.
17121 * gcse.c (invalid_nonnull_info): New function.
17122 (delete_null_pointer_checks): Likewise.
17123 * rtl.h (delete_null_pointer_checks): Declare.
17124 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17126 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17127 (merge-blocks_move_successor_nojumps): Likewise.
17128 (merge_blocks): Allow merging of some blocks, even if it requires
17129 physical movement of the blocks, but not if it requires new jumps.
17131 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17132 Callers and prototype changed.
17133 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17135 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17137 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17138 -YP when both -p and -pg are present. From i386/sol2.h.
17140 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17142 * Makefile.in (distclean): Delete tm_p.h.
17143 * configure.in: Create a new file, "tm_p.h", from a list in
17144 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17145 "i386/i386-protos.h".
17147 * alias.c: Include "tm_p.h".
17148 * c-typeck.c: Likewise.
17149 * calls.c: Likewise.
17151 * emit-rtl.c: Likewise.
17152 * explow.c: Likewise.
17153 * expmed.c: Likewise.
17154 * expr.c: Likewise.
17155 * final.c: Likewise.
17156 * flow.c: Likewise.
17157 * fold-const.c: Likewise.
17158 * function.c: Likewise.
17159 * gcse.c: Likewise.
17160 * global.c: Likewise.
17161 * haifa-sched.c: Likewise.
17162 * integrate.c: Likewise.
17163 * jump.c: Likewise.
17164 * local-alloc.c: Likewise.
17165 * loop.c: Likewise.
17166 * optabs.c: Likewise.
17167 * recog.c: Likewise.
17168 * reg-stack.c: Likewise.
17169 * regclass.c: Likewise.
17170 * regmove.c: Likewise.
17171 * reload.c: Likewise.
17172 * reload1.c: Likewise.
17173 * reorg.c: Likewise.
17174 * resource.c: Likewise.
17175 * stmt.c: Likewise.
17176 * stor-layout.c: Likewise.
17177 * toplev.c: Likewise.
17178 * tree.c: Likewise.
17179 * unroll.c: Likewise.
17180 * genattrtab.c (main): Make generated file include "tm_p.h".
17181 * genemit.c (main): Likewise.
17182 * genoutput.c (main): Likewise.
17183 * genrecog.c (main): Likewise.
17185 * i386.h: Delete all prototypes.
17186 * i386.c: Include "tm_p.h".
17187 (ix86_attr_length_default): Call constant_call_address_operand
17188 with correct number of arguments.
17189 * i386-protos.h: New file.
17190 * i386.md (unnamed patterns): Call constant_call_address_operand
17191 with correct number of arguments.
17192 (exception_receiver): Call load_pic_register with correct number
17195 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17197 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17199 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17201 * rtl.h (insns_safe_to_move_p): New function.
17202 * loop.c (find_and_verify_loops): Use it.
17203 * rtlanal.c (insns_safe_to_move_p): Define it.
17205 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17207 * c-pragma.c: Include ggc.h.
17208 * Makefile.in (c-pragma.o): Update.
17210 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17212 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17213 (LIB_SPEC): Likewise.
17214 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17215 Reindent -YP/-p/-pg.
17216 Copied from config/sparc/sol2.h.
17218 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17220 * c-pragma.c (mark_align_stack): New.
17221 (init_pragma): New.
17222 * c-pragma.h (init_pragma): Declare it.
17223 * c-lex.c (init_parse): Call it.
17225 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17227 * configure.in: Pick up thread library on Solaris/x86 just
17228 like on Solaris/sparc.
17229 * configure: Rebuilt.
17231 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17233 * rtl.h (global_rtx_index): New enum.
17234 (global_rtl): Change to array of rtx.
17235 (pc_rtx, cc0_rtx): Redefine accordingly.
17236 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17237 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17238 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17239 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17240 (const_int_rtx): Change to array of rtx.
17241 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17243 * emit-rtl.c (global_rtl): Change to array of rtx.
17244 (const_int_rtx): Change to aray of rtx.
17245 (gen_rtx_CONST_INT): Redefine accordingly.
17246 (init_emit_once): Allocate and initialize global_rtl. Likewise
17247 for const_int_rtx. Add both as GC roots.
17248 * genattrtab.c (global_rtl): Update declaration.
17250 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17252 * Makefile (USER_H): Add iso646.h back.
17254 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17256 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17257 zapping the LOG_LINKS of sched_before_next_call.
17259 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17260 * pa.c (insn_refs_are_delayed): Renamed from
17261 insn_sets_and_refs_are_delayed.
17263 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17265 * functiion.h (struct function): Add x_whole_function_mode_p.
17266 (retrofit_block): Declare.
17267 * function.c (retrofit_block): New function.
17268 (identify_blocks): Add assertions. Allow an incomplete set of
17269 block notes if we're still generating code for the function.
17270 * integrate.c: Include loop.h.
17271 (expand_inline_function): Call find_loop_tree_blocks to map block
17272 notes to blocks when in whole-function mode. Use retrofit_block
17273 to insert new BLOCKs for the inlined function, rather than
17275 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17276 * Makefile.in (integrate.o): Depend on loop.h.
17278 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17280 * tree.h (warn_about_unused_variables): Declare.
17281 * stmt.c (warn_about_unused_variables): New function, split out
17283 (expand_end_bindings): Here.
17285 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17287 * stmt.c (preserve_subexpressions_p): Don't crash when
17288 current_function->stmt is unset.
17290 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17292 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17293 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17294 (expand_start_target_temps): Use it.
17295 * except.c (expand_eh_region_start_for_decl): Likewise.
17296 * expr.c (expand_expr): Likewise.
17298 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17300 * fold-const.c (operand_equal_p): Pay attention to side effects.
17302 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17304 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17305 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17307 * tlink.c (scan_linker_output): Look for keywords before accepting
17308 a mangled name in quotes.
17310 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17312 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17313 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17315 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17317 * alpha.md: Revert Thu Nov 26 change that came in through the
17318 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17319 Avoid earlyclobber when possible.
17321 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17323 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17325 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17326 Define HAVE_ON_EXIT.
17328 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17330 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17331 CTYPE_CONV in all ctype macros.
17333 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17336 * cexp.y (initialize_random_junk): Likewise.
17338 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17340 * i370.c (handle_pragma): Likewise.
17342 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17344 * v850.c (override_options): Likewise.
17346 * doprint.c (_doprnt): Likewise.
17348 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17351 * fixinc/server.c (load_data): Likewise.
17353 * fold-const.c (real_hex_to_f): Likewise.
17355 * genattr.c (write_upcase, gen_attr): Likewise.
17357 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17358 write_upcase): Likewise.
17360 * genemit.c (print_code): Likewise.
17362 * genopinit.c (gen_insn): Likewise.
17364 * genpeep.c (print_code): Likewise.
17366 * genrecog.c (print_code): Likewise.
17368 * optabs.c (init_libfuncs): Likewise.
17370 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17372 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17374 (reemit_notes): Likewise.
17376 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17378 * ggc.h (ggc_root): Move to ggc-common.c.
17380 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17381 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17382 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17383 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17384 * ggc-common.c (ggc_root): Move from ggc.h.
17385 (roots): Declare, static.
17386 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17387 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17388 null or check/set mark bit.
17389 (ggc_mark_roots): New.
17390 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17392 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17394 * m32r.c: Include toplev.h.
17395 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17396 (gen_compare): Rename swap_p to must_swap to match uses.
17397 Add default abort case.
17398 (m32r_output_function_epilogue): Remove unused variables.
17399 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17400 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17401 define to empty parameter list. Update all uses.
17402 (predicate decls): Use enum machine_mode not int.
17403 * m32r.md (movsi): Call abort, not fatal_insn.
17404 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17406 1999-09-14 Andrew Haley <aph@cygnus.com>
17408 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17409 use $0 instead of 0.
17411 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17413 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17414 computation out of loop over hard regs.
17416 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17418 * function.c (identify_blocks): Don't shadow a variable in an
17420 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17421 pushdecl, or poplevel to build up the new BLOCK tree.
17422 (expand_inline_function): Likewise.
17423 (integrate_parm_decls): Likewise.
17425 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17427 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17429 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17431 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17432 * invoke.texi: Document this change.
17434 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17436 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17438 (mark_emit_status): Renamed from mark_emit_state.
17439 * except.c (mark_eh_status): Renamed from mark_eh_state.
17440 Check not null before marking.
17441 (free_eh_status): New.
17442 * expr.c (mark_expr_status, free_expr_status): New.
17443 * function.c (free_machine_status): New.
17444 (free_after_parsing): New.
17445 (free_after_compilation): Move bits to free_after_parsing; call
17446 free_eh_status, free_expr_status; zero the marked members of the
17448 (prepare_function_start): No can_garbage_collect.
17449 Call init_eh_for_function.
17450 (expand_dummy_function_end): Free up current_function state.
17451 (mark_function_status): Renamed from mark_function_state.
17452 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17453 * function.h (struct function): No can_garbage_collect.
17454 (free_machine_status, free_after_parsing): Declare.
17455 (free_eh_status, free_expr_status): Declare.
17456 * ggc.h (mark_expr_status): Declare.
17457 * stmt.c (free_stmt_status): Free the struct.
17458 (mark_stmt_status): Renamed from mark_stmt_state.
17459 (init_stmt): Don't call init_eh.
17460 (init_stmt_for_function): Don't call init_eh_for_function.
17461 * toplev.c (compile_file): Call init_eh.
17462 (rest_of_compilation): Free basic block info before ggc_collect.
17463 Call free_after_parsing; conditionally call free_after_compilation.
17464 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17465 Check not null before marking.
17466 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17468 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17470 * c-lex.c (yylex): Initialize warn.
17472 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17474 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17475 register when performing secondary reloads for the SAR register.
17477 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17479 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17480 (NOTE_BLOCK): New macro.
17481 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17482 * function.h (identify_blocks): Change prototype.
17483 * function.c (identify_blocks): Simplify.
17484 (reorder_blocks): Likewise.
17485 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17486 NOTE_INSN_BLOCK_{BEG,END}.
17487 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17488 the list of saved notes if the note isn't a
17489 NOTE_INSN_BLOCK_{BEG,END}.
17490 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17492 (reemit_notes): Adjust recreation of notes to reflect new saved
17494 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17495 printing a block note.
17496 * stmt.c (block_vector): Remove.
17497 (find_loop_tree_blocks): Simplify.
17498 (unroll_block_trees): Likewise.
17499 * tree.h (reorder_block): Change prototype.
17501 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17503 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17504 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17505 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17506 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17507 (atexit, exit): Simplify.
17508 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17509 * config/lots: Remove defns of HAVE_ATEXIT.
17511 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17513 * calls.c (precompute_arguments): Fix typo in comment.
17514 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17517 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17519 * dsp16xx.c (override_options): Fix typos in GC root registration.
17521 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17523 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17524 from config/svr4.h.
17525 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17526 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17527 (CC1_SPEC): Likewise.
17529 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17531 * genattr.c (main): Add extern prototype. Call return, not exit.
17532 * genattrtab.c (main): Likewise.
17533 * gencheck.c (main): Likewise.
17534 * gencodes.c (main): Likewise.
17535 * genconfig.c (main): Likewise.
17536 * genemit.c (main): Likewise.
17537 * genextract.c (main): Likewise.
17538 * genflags.c (main): Likewise.
17539 * gengenrtl.c (main): Likewise.
17540 * genopinit.c (main): Likewise.
17541 * genoutput.c (main): Likewise.
17542 * genpeep.c (main): Likewise.
17543 * genrecog.c (main): Likewise.
17545 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17546 * genattrtab.c (get_insn_name): Likewise.
17547 * gencodes.c (get_insn_name): Likewise.
17548 * genconfig.c (get_insn_name): Likewise.
17549 * genemit.c (get_insn_name): Likewise.
17550 * genextract.c (get_insn_name): Likewise.
17551 * genflags.c (get_insn_name): Likewise.
17552 * genopinit.c (get_insn_name): Likewise.
17553 * genpeep.c (get_insn_name): Likewise.
17555 * gencheck.c (usage): Add static prototype.
17556 * genextract.c (print_path): Constify a char*.
17557 * genopinit.c (optabs): Likewise.
17558 * genoutput.c (operand_data, data, output_predicate_decls,
17559 compare_operands): Likewise.
17560 * genrecog.c (write_tree): Add default case in switch.
17562 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17564 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17566 * print-rtl.c (get_insn_name): Remove prototype.
17568 * toplev.h (progname): Declare const.
17570 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17571 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17572 dump_sched_info, dump_local_alloc, regset_release_memory,
17573 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17574 error_with_file_and_line, error_with_decl, error_for_asm, error,
17575 fatal, warning_with_file_and_line, warning_with_decl, warning,
17576 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17577 Remove redundant prototypes.
17579 (notice, check_lang_option, report_file_and_line, vnotice,
17580 mark_file_stack): Add static prototype.
17581 (set_fatal_function): Add prototype.
17582 (vnotice, report_file_and_line, set_fatal_function,
17583 check_lang_option): Constify a char*.
17584 (main): Prototype. Call return, not exit.
17586 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17588 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17590 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17592 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17594 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17596 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17598 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17599 behave as if it's zero in all cases.
17600 (expand_function_start): Adjust call to assign_parms.
17601 * tree.h (assign_parms): Adjust prototype.
17602 * objc/objc-act.c (hack_method_prototype): Adjust call to
17605 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17607 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17608 arg_pointer_rtx fixed if the argument pointer register is
17610 (NONZERO_BASE_PLUS_P): Likewise.
17612 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17614 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17615 match_insn2 to match_insn.
17616 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17618 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17620 * Makefile.in (USER_H): Remove va-foo.h.
17622 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17623 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17624 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17625 va-spur.h,va-v850.h}: Remove.
17627 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17629 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17630 (in_return_delay): Use it instead of match_insn.
17632 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17634 * config/alpha/va_list.h (va-alpha.h): Do not include.
17635 (__gnuc_va_list): Typedef as in varargs.h.
17637 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17639 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17640 DECL_LIVE_RANGE_RTL.
17642 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17644 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17645 not NOTE_BLOCK_NUMBER.
17646 (expand_eh_region_end): Likewise.
17647 (find_exception_handler_labels): Likewise.
17648 (scan_region): Likewise.
17649 (exception_optimize): Likewise.
17650 (update_rethrow_references): Likewise.
17651 (set_insn_eh_region): Likewise.
17652 * final.c (final_scan_insn): Likewise.
17653 * flow.c (make_edges): Likewise.
17654 * integrate.c (expand_inline_function): Likewise.
17655 * print-rtl.c (print_rtx): Likewise.
17657 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17659 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17660 terms of builtin functions and types.
17662 * mips.c (mips_build_va_list): New.
17663 (mips_va_start, mips_va_arg): New.
17664 * mips.h (BUILD_VA_LIST_TYPE): New.
17665 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17667 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17668 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17669 * sh.h (BUILD_VA_LIST_TYPE): New.
17670 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17672 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17674 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17675 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17676 (struct insn_data): Likewise with n_operands, n_dups,
17677 n_alternatives, output_format.
17678 * regclass.c (scan_one_insn): Cast n_operands to int before
17679 arithmetic inside comparison.
17681 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17683 * toplev.c (compile_function): Unconditionally emit nop.
17685 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17687 * haifa-sched.c (actual_hazard): Move declaration of variable
17688 `this_cost' into the scope where it is used.
17690 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17692 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17693 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17694 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17696 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17698 * jump.c (find_insert_position): Don't declare or define unless
17699 !HAVE_conditional_arithmetic.
17700 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17702 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17704 * recog.c (offsettable_address_p): Prototype function pointer.
17705 (preprocess_constraints): Call memset, not bzero.
17707 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17708 (gcc_obstack_init): Don't declare.
17709 (fix_sizetype): Add static prototype.
17710 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17711 (tree_cons): Call memset, not bzero.
17713 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17714 definition in macro ASM_WEAKEN_LABEL.
17715 (mark_const_hash_entry): Add static prototype.
17717 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17719 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17721 * unroll.c (find_common_reg_term, subtract_reg_term,
17722 loop_find_equiv_value): Add static prototypes.
17723 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17724 (copy_loop_body): Remove unreachable break statement.
17726 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17728 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17730 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17732 Undo some changes from the gcc2 merge:
17733 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17734 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17738 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17739 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17740 initialized float-int union if the value is a NaN.
17742 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17744 * gthr-win32.h: New file.
17746 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17747 shared as a valid attribute.
17748 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17749 * extend.texi: Document `shared' variable attribute.
17751 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17753 * configure.in: Handle --enable-threads on FreeBSD.
17754 * configure: Rebuit.
17756 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17758 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17760 * configure: Rebuilt.
17762 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17763 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17764 Rosimildo DaSilva <rdasilva@connecttel.com>
17766 * configure.in (m68k-*-rtemscoff*): Added.
17767 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17768 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17769 sparc-rtems configuration.
17770 * configure.in (sparc-*-rtemself*): Added.
17771 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17772 * config/i386/rtems.h: Added comment.
17773 * config/sparc/rtemself.h: New file.
17775 * configure.in (m68k-rtemself): Added.
17776 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17777 and DWARF_DEBUGGING_INFO.
17778 * config/m68k/crti.s: New file.
17779 * config/m68k/crtn.s: New file.
17780 * config/m68k/t-crtstuff: New file.
17781 * config/m68k/rtemself.h: New file.
17783 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17784 global ctor/dtor and C++ exception handling.
17785 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17786 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17788 * config/i386/t-rtems-i386: New File.
17790 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17792 * stmt.c (expand_end_case): Return right away if the case stack is
17795 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17797 * Makefile.in (version.c): Remove rule incorrectly brought in from
17800 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17802 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17803 * msdos/top.sed: Take into account a prepended $(SHELL) to
17805 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17807 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17809 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17811 * regmove.c (fixup_match_1): Don't change an unchanging register.
17812 (stable_but_for_p): Renamed to:
17813 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17814 Changed all callers.
17816 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17818 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17819 insn from BL2 is after the insn from BL.
17821 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17823 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17824 (struct insn_data): Merge `template' and `outfun' into `output'.
17825 Add `output_format'.
17826 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17827 (struct data): Remove `outfun'; add `output_format'.
17828 (name_for_index): Remove declaration.
17829 (output_insn_data): Handle output formats.
17830 (process_template): Emit the bare array for @.
17831 (gen_expand, gen_split): Set output_format to NONE.
17832 * output.h (get_insn_template): Declare.
17833 * final.c (get_insn_template): New.
17834 (final_scan_insn): Use it.
17835 * toplev.c (compile_file): Likewise.
17837 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17838 * i860/i860.c (output_delayed_branch): Likewise.
17839 (output_delay_insn): Likewise.
17841 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17843 * rtl.c (obstack_alloc_rtx): Removed.
17845 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17847 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17849 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17851 * i386.c (call_insn_operand): Reject const_int.
17852 (expander_call_insn_operand): Use call_insn_operand.
17854 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17856 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17858 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17860 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17861 Use DImode operation.
17863 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17865 * gcc.c: Include sys/resource.h.
17866 (report_times): New flag.
17867 (execute): If report_times is set, calculate and report the
17868 CPU time consumed by each subprocess.
17870 (rus, prus): New globals.
17871 (option_map): Add --time.
17872 (display_help): Document -time.
17873 (process_command): Set report_times if -time is given.
17874 Turn off -pipe if -time is given.
17876 * invoke.texi: Document new option -time.
17878 * configure.in: Check for getrusage. Check if we have to
17879 prototype getrusage.
17880 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
17881 * configure: Regenerate.
17882 * config.in: Regenerate.
17884 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
17886 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
17889 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
17891 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
17892 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
17893 (nan): Return _thenan_sf or _thenan_df as appropriate.
17894 (L_thenan_sf): Define _thenan_sf.
17895 (L_thenan_df): Define _thenan_df.
17897 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
17898 (DPBIT_FUNCS): Add _thenan_df.
17900 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
17902 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
17905 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17907 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
17910 (lang_specific_driver): Don't take a function pointer parameter.
17911 All callers changed.
17913 * gcc.c: Include gcc.h.
17914 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
17915 lang_specific_extra_outfiles, fatal): Don't declare.
17916 (multilib_defaults_raw): Constify.
17917 (read_specs): Call memset, rather than bzero.
17918 (main): Call return, not exit.
17919 (lookup_compiler): Call memcpy, not bcopy.
17920 (fatal): Make extern.
17922 * cppspec.c: Include gcc.h.
17923 (lang_specific_driver): Initialize variable `quote'. Constify a
17924 char*. All calls to the function pointer parameter now
17925 explicitly call `fatal'.
17927 * gccspec.c (lang_specific_driver): Include gcc.h.
17929 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
17931 * arm.c (note_invalid_constants): Use recog_data.operand_type
17934 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17936 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
17939 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
17940 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17941 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17942 reload_secondary_in_reload, reload_secondary_out_reload,
17943 reload_secondary_in_icode, reload_secondary_out_icode,
17944 reload_reg_rtx, reload_when_needed): Delete declarations.
17945 (struct reload): New structure.
17946 (rld): Declare new array.
17947 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
17948 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17949 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17950 reload_secondary_in_reload, reload_secondary_out_reload,
17951 reload_secondary_in_icode, reload_secondary_out_icode,
17952 reload_reg_rtx, reload_when_needed): Delete definitions.
17954 (whole file): Replace uses of the deleted arrays with uses of rld.
17955 * reload1.c (whole file): Replace uses of the deleted arrays with
17957 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
17958 explicit loops, not with bcopy.
17960 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
17962 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
17963 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
17964 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
17965 insn_name): Delete and consolidate into new structures.
17966 (insn_operand_predicate_fn): New.
17967 (insn_output_fn): New.
17968 (insn_gen_fn): New.
17969 (struct insn_operand_data): New.
17970 (struct insn_data): New.
17972 (OUT_FCN): Update for insn_data change.
17973 * builtins.c (expand_builtin_strlen): Likewise.
17974 (expand_builtin_memcmp): Likewise.
17975 * combine.c (make_extraction, simplify_comparison): Likewise.
17976 * cse.c (canon_reg, cse_insn): Likewise.
17977 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
17978 * expmed.c (store_bit_field, extract_bit_field): Likewise.
17979 (emit_store_flag): Likewise.
17980 * expr.c (convert_move, emit_block_move): Likewise.
17981 (clear_storage, emit_push_insn, expand_increment): Likewise.
17982 (do_store_flag): Likewise.
17983 * expr.h (GEN_FCN): Likewise.
17984 (insn_gen_function): Die.
17985 * final.c (final_scan_insn): Update for insn_data change.
17986 (output_asm_name): Likewise.
17987 * function.c (fixup_var_refs_1): Likewise.
17988 * loop.c (check_dbra_loop): Likewise.
17989 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
17990 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
17991 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
17992 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
17993 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
17994 * regmove.c (gen_add3_insn): Likewise.
17995 * reload.c (push_secondary_reload, combine_reloads): Likewise.
17996 (find_reloads, find_reloads_address_1): Likewise.
17997 (debug_reload_to_stream): Likewise.
17998 * reload1.c (emit_reload_insns, gen_reload): Likewise.
17999 * stmt.c (expand_end_case): Likewise.
18000 * toplev.c (compile_file): Likewise.
18002 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18003 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18005 * print-rtl.c (insn_name_ptr): Remove declaration.
18006 (get_insn_name): Declare.
18007 (print_rtx): Use it.
18008 * genoutput.c (insn_name_ptr): Remove.
18009 (next_operand_number): New.
18010 (struct operand_data): New.
18011 (null_operand, odata, odata_end): New.
18012 (struct data): Use struct operand_data.
18013 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18014 (get_insn_name): Renamed from name_for_index.
18015 (output_prologue): Define NO_MD_PROTOTYPES.
18016 (output_predicate_decls): Break out from output_epilogue.
18017 Iterate over the operands list.
18018 (output_operand_data): Break out from output_epilogue. Emit
18019 just the operands list.
18020 (output_insn_data): Break out from output_epilogue. Emit just
18022 (output_epilogue): Remove.
18023 (output_get_insn_name): New.
18024 (constraints, op_n_alternatives, predicates, address_p): Die.
18025 (modes, strict_low, seen): Die.
18026 (scan_operands): Take new param `d' instead of writing to
18027 seven global variables.
18028 (compare_operands): New.
18029 (place_operands): New.
18030 (validate_insn_alternatives): Update for struct data change.
18031 (gen_insn): Don't zero or copy 7 global arrays. Update for
18032 scan_operands; call place_operands.
18033 (gen_peephole, gen_expand, gen_split): Likewise.
18034 (main): Update for new output routines.
18036 * genattr.c (insn_name_ptr): Remove.
18037 (get_insn_name): New function.
18038 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18039 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18040 * genrecog.c: Likewise.
18042 * alpha.md (adddi3): Make `pattern' array static.
18044 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18046 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18047 c4x_cpu_version_string): Constify char *.
18048 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18049 c4x_cpu_version_string): Likewise.
18051 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18053 * tree.c (save_tree_status): Revert 10 Sep change.
18054 (restore_tree_status): Likewise. Call obstack_free with NULL
18055 before freeing the obstack proper.
18057 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18059 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18061 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18062 surrounding context.
18064 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18066 * tree.c (type_hash_canon): Put all types in the hash-table, when
18069 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18071 * recog.h (struct recog_data, recog_data): New.
18072 (recog_foo variables): Kill.
18073 * recog.c (recog_operand, recog_operand_loc): Kill.
18074 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18075 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18076 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18077 (recog_data): Define.
18078 (extract_insn): Update all recog_foo references to use recog_data.
18079 (preprocess_constraints, constrain_operands): Likewise.
18080 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18081 * genattrtab.c (main): Likewise.
18082 * genextract.c (main): Likewise.
18083 * genoutput.c: Likewise.
18084 * genrecog.c (write_subroutine, main): Likewise.
18085 * local-alloc.c (block_alloc): Likewise.
18086 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18087 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18088 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18089 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18090 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18091 (reload_cse_simplify_operands): Likewise.
18093 * arc/arc.c (arc_final_prescan_insn): Likewise.
18094 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18095 * h8300/h8300.c (notice_update_cc): Likewise.
18096 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18097 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18098 * mn10200/mn10200.c (notice_update_cc): Likewise.
18099 * mn10300/mn10300.c (notice_update_cc): Likewise.
18100 * romp/romp.c (update_cc): Likewise.
18101 * sparc/sparc.c (check_pic): Likewise.
18102 * v850/v850.c (notice_update_cc): Likewise.
18104 * genemit.c (main): Don't declare recog_operand.
18106 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18108 * ggc.h (rtvec_def): Forward declare.
18109 (tree_node): Likewise.
18110 (ggc_root): Define.
18112 (ggc_set_mark_rtx): Add prototype.
18113 (ggc_set_mark_rtvec): Likewise.
18114 (ggc_set_mark_tree): Likewise.
18115 * ggc-simple.c (ggc_root): Don't define.
18116 (roots): Don't declare.
18117 (ggc_mark_rtx): Remove.
18118 (ggc_mark_rtvec): Likewise.
18119 (ggc_mark_tree): Likewise.
18120 (ggc_mark_varray): Likewise.
18121 (ggc_mark_tree_hash_table_entry): Likewise.
18122 (ggc_mark_tree_hash_table): Likewise.
18123 (ggc_set_mart_rtx): New function.
18124 (ggc_set_mark_rtvec): Likewise.
18125 (ggc_set_mark_tree): Likewise.
18126 (ggc_add_root): Remove.
18127 (ggc_add_rtx_root): Likewise.
18128 (ggc_remove_tree_root): Likewise.
18129 (ggc_add_string_root): Likewise.
18130 (ggc_add_tree_varray_root): Likewise.
18131 (ggc_add_tree_hash_table_root): Likewise.
18132 (ggc_del_root): Likewise.
18133 (ggc_mark_rtx_ptr): Likewise.
18134 (ggc_mark_tree_ptr): Likewise.
18135 (ggc_mark_string_ptr): Likewise.
18136 (ggc_mark_tree_varray_ptr): Likewise.
18137 (ggc_mark_tree_hash_table_ptr): Likewise.
18138 * ggc-common.c: New file.
18139 * Makefile.in (OBJS): Add ggc-common.o.
18140 (ggc-common.o): List dependencies.
18142 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18144 * cppalloc.c (xstrdup): Use memcpy.
18145 * cpperror.c (cpp_print_containing_files): Don't use
18147 * cpplib.c (conditional_skip): Set temp->lineno.
18148 (do_endif): Make error message less obscure.
18149 (if_directive_name): New function.
18150 (cpp_get_token [case EOF]): Unwind the if stack and generate
18151 error messages for each unterminated conditional in this file.
18152 (parse_string): Do not behave differently if -traditional.
18154 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18156 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18157 va_list decomposing to pointer-type.
18158 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18159 (rs6000_va_arg): Likewise.
18161 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18163 * except.c (start_dynamic_handler): Compute size using
18164 STACK_SAVEAREA_MODE.
18166 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18168 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18169 include directory headers. Don't define strrchr. Don't provide
18170 my_* replacement functions. Prefer PTR over `pointer_type'.
18171 Don't prototype system functions. Don't redefine getopt.
18173 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18174 safe_read, safe_write, save_pointers, restore_pointers,
18175 is_id_char, in_system_include_dir, directory_specified_p,
18176 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18177 find_corresponding_lparen, referenced_file_is_newer,
18178 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18179 process_aux_info_file, identify_lineno, check_source,
18180 seek_to_line, forward_to_next_token_char, output_bytes,
18181 output_string, output_up_to, other_variable_style_function,
18182 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18183 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18184 find_static_definition, connect_defs_and_decs, add_local_decl,
18185 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18186 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18187 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18188 scan_for_missed_items, edit_file, string_list_cons): Add static
18190 (standard_exec_prefix, target_machine, target_version,
18191 default_syscalls_dir, string_list, string_list_cons, find_file,
18192 do_cleaning): Constify a char*.
18193 (safe_read, safe_write): Use PTR, not a char*.
18194 (is_id_char): Take an int, not a char.
18195 (main): Add prototype. Call return, not exit.
18197 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18199 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18200 when comparing types.
18202 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18204 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18205 (strength_reduce): Release the varrays from the no-bivs early exit.
18207 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18208 the loop over the registers.
18210 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18212 (restore_tree_status): Check that instead when freeing the obstack.
18214 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18216 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18219 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18221 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18222 operand size modifiers.
18224 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18226 * c-common.c (c_common_nodes_and_builtins): Don't build
18228 * c-common.h (enum c_tree_index and related accesor macros): Remove
18229 everything now declared in tree.h.
18230 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18231 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18232 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18233 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18234 unsigned_type_node, ptr_type_node, va_list_type_node,
18235 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18236 (init_decl_processing): Call build_common_tree_nodes and
18237 build_common_tree_nodes_2 instead of building their nodes here.
18238 Don't add roots for these nodes.
18239 * stor-layout.c (size_zero_node, size_one_node): Delete.
18240 (set_sizetype): Make a new node for bitsizetype each time.
18241 * tree.c (global_trees): New variable.
18242 (init_obstacks): Add a gc root for it.
18243 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18244 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18245 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18246 (build_common_tree_nodes): New function.
18247 (fix_sizetype): New function.
18248 (build_common_tree_nodes_2): New function.
18249 * tree.h (enum tree_index): New.
18250 (global_trees): Declare.
18251 Add accessor macros for all nodes now moved to global_trees.
18252 Delete their declarations.
18254 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18256 * c-decl.c (finish_function): When processing a nested function,
18257 push and pop GC context around rest_of_compilation.
18259 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18261 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18262 Default ix86_arch to PROCESSOR_I386.
18263 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18264 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18265 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18266 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18267 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18268 (EXTRA_SPECS): Remove deleted specs.
18270 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18272 * function.c (assign_stack_local_1): Allocate from
18273 function->x_frame_offset, not frame_offset.
18275 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18277 * ggc.h (lang_cleanup_tree): Remove.
18278 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18279 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18281 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18282 TYPE_LANG_SPECIFIC when garbage collecting.
18283 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18284 (lang_cleanup_tree): Remove.
18286 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18288 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18289 * crtstuff.c: Not here.
18290 * dwarf2out.c: Or here.
18291 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18294 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18296 * function.h (free_after_compilation): Remove decl parameter.
18297 (free_varasm_status0: Likewise.
18298 (free_emit_status): Likewise.
18299 (free_stmt_status): Likewise.
18300 (free_after_compilation): Likewise.
18301 (init_lang_status): New variable.
18302 (free_lang_status): Likewise.
18303 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18304 * function.c (init_lang_status): New variable.
18305 (free_lang_status): Likewise.
18306 (push_function_context_to): Don't set function::decl here.
18307 (free_after_copmilation): Make decl parameter implicit. Call
18308 free_lang_status if defined.
18309 (prepare_function_start): Call init_lang_status if defined.
18310 (init_function_start): Set function::decl here.
18311 * profile.c (output_func_start_profiler): Don't call pushdecl
18312 until we've actually started the function.
18313 * stmt.c (free_stmt_status): Make decl parameter implicit.
18314 * toplev.c (rest_of_compilation): Don't pass decl to
18315 free_after_compilation.
18316 * varasm.c (free_varasm_status): Likewise.
18318 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18320 * except.c (call_get_eh_context): Add root when allocating static
18323 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18325 * arm.c: Include "ggc.h".
18326 (arm_add_gc_roots): New function.
18327 (arm_override_options): Call it.
18328 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18330 * arm.md (define_asm_attributes): Add a pool_range attribute.
18332 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18334 * extend.texi (Volatiles): New node.
18336 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18338 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18339 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18340 (struct ggc_any): Replace `mark' with `magic_mark'.
18341 (ggc_alloc_string): Use memcpy, not bcopy.
18342 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18343 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18344 (ggc_free_any): New.
18345 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18346 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18347 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18348 Use IS_MARKED. Use ggc_free_any.
18350 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18352 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18354 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18356 * toplev.c (main): Always init_ggc.
18358 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18360 * except.c (find_all_handler_type_matches): Free the list if
18361 we found no matches.
18363 * combine.c (SUBST): Break out to a real function do_SUBST.
18364 (SUBST_INT): Likewise.
18365 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18366 (pre_insert): Free `inserted'.
18367 * loop.c (basic_induction_var): Always set `location'.
18369 * function.c (expand_function_end): Add initial_trampoline as a root.
18370 * rtl.h (init_varasm_once): Declare.
18371 * toplev.c (compile_file): Call it.
18372 * ggc-simple.c (ggc_mark_string_ptr): New.
18373 (ggc_add_string_root): New.
18374 (ggc_collect): Disable collection avoidance temporarily.
18375 * ggc.h (ggc_add_string_root): Declare.
18376 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18377 * optabs.c (init_libfuncs): Likewise.
18378 * varasm.c (named_section): Use ggc_alloc_string.
18379 (make_function_rtl): Likewise.
18380 (make_decl_rtl): Likewise.
18381 (assemble_static_space): Likewise.
18382 (assemble_trampoline_template): Likewise.
18383 (output_constant_def): Likewise.
18384 (force_const_mem): Likewise.
18385 (mark_const_hash_entry): New.
18386 (mark_pool_sym_hash_table): New.
18387 (mark_varasm_state): Use it.
18388 (init_varasm_once): New.
18390 * expr.h (init_one_libfunc): Declare.
18391 * optabs.c (init_one_libfunc): New.
18392 (init_optabs): Use it.
18393 * config/gofast.h: Likewise.
18394 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18395 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18397 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18399 * Makefile.in (cppexp.o): Depend on cpphash.h.
18400 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18402 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18403 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18404 redefining poisoned identifiers, etc.
18405 (do_undef): Don't allow poisoned identifiers to be undefined.
18406 (do_pragma): Add #pragma poison.
18407 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18409 * cccp.c: Add T_POISON node type.
18410 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18412 (do_define): Generalise to handle poisoned definitions,
18413 redefining poisoned identifiers, etc.
18414 (do_undef): Don't allow poisoned identifiers to be undefined.
18415 (do_pragma): Add #pragma poison.
18416 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18418 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18419 * c-pragma.h: Add ps_poison state. We now always have generic
18422 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18424 * ggc.h (ggc_alloc): New function.
18425 (ggc_mark): Likewise.
18426 * ggc-simple.c (ggc_any): New structure.
18427 (ggc_status): Add anys.
18428 (n_anys_collected): New variable.
18429 (ggc_alloc): Define.
18430 (ggc_mark): Likewise.
18431 (ggc_collect): Collect the anys.
18433 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18435 * c-decl.c (mark_binding_level): Make static to match prototype.
18437 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18439 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18441 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18443 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18444 will use into account. Expand the max width to 5.
18447 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18449 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18450 for the rtx length.
18452 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18454 * alpha.md (call value patterns): Remove the result predicates.
18456 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18458 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18461 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18463 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18464 changed from extern char *, to extern PTR. Also fix typo in
18465 NEED_DECLARATION_REALLOC test.
18467 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18469 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18471 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18472 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18473 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18474 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18476 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18478 * cccp.c (pcfinclude): Likewise.
18480 * global.c (allocno_compare): Likewise.
18482 * haifa-sched.c (rank_for_schedule): Likewise.
18484 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18486 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18488 * stupid.c (stupid_reg_compare): Likewise.
18490 * tree.c (_obstack_allocated_p): Likewise.
18492 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18494 1999-09-08 Bruce Korb autogen@linuxbox.com
18496 * Makefile.in: Give the hapless gperf user a hint about
18497 why "gperf -F" fails.
18499 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18501 * lists.c: Include ggc.h.
18503 (init_EXPR_INSN_LIST_cache): Install it.
18505 * ggc-simple.c (init_ggc): Absorb the old init.
18506 (ggc_push_context): Use xcalloc.
18507 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18508 (ggc_collect): Add [rvts] tags to the collection stats.
18510 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18512 * cccp.c (main): Fix handling of -include and -imacros options.
18514 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18516 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18518 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18520 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18523 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18525 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18526 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18527 and SET_DEST. Update comment.
18529 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18531 * config/c4x/c4x.c: Include ggc.h.
18532 (c4x_add_gc_roots): New function.
18533 (c4x_override_options): Call c4x_add_gc_roots.
18535 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18537 * defaults.h (TARGET_ESC): Move ...
18538 * system.h: ... here, where Linas had it in the first place. Silly me.
18540 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18542 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18543 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18544 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18545 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18546 * defaults.h (TARGET_ESC): Add default.
18548 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18550 * configure.in: add i370-*-openedition, i370-*-mvs and
18551 i370-*-linux targets
18553 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18555 * dsp16xxx.c: Include ggc.h
18556 (override_options): Mark GC roots.
18557 * mn10200.c: Include ggc.h.
18558 (asm_file_start): Mark GC roots.
18559 * tahoe.c: Include ggc.h.
18560 (extensible_operand): Mark GC roots.
18562 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18564 * README: Add section discussing status of ELF ABI.
18565 * i370.c: Fix misc spelling mistakes.
18566 (i370_label_scan): Updated notes, exception handling.
18567 (i370_function_prolog): Simplify ELF stack handling.
18568 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18569 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18570 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18571 * i370.md: (movdi): Add notes.
18572 (floatsidf2): Use stack not rtca for scratch float area.
18573 (iorsi3): Correct operand constraints.
18574 * x-oe: Restore TAROUTOPTS which are used by pax.
18576 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18578 * rs6000.c: Include ggc.h.
18579 (rs6000_add_gc_roots): New function.
18580 (override_options): Call it.
18582 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18584 * alpha.h (alpha_compare): New.
18585 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18586 * alpha.c: Likewise for the definitions.
18587 (alpha_emit_conditional_branch): Update for alpha_compare.
18588 (alpha_emit_conditional_move): Likewise.
18589 * alpha.md (cmpdf, cmpdi): Likewise.
18590 (setcc patterns): Likewise. Zero alpha_compare after use.
18591 (sne): Optimize (x != 0) into (0U < x).
18593 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18595 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18596 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18597 (INIT_EXPANDERS): Remove.
18598 * alpha.c: Include ggc.h.
18599 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18600 (alpha_init_machine_status, alpha_mark_machine_status): New.
18601 (override_options): Install them.
18602 (struct machine_function): Moved to alpha.h.
18603 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18604 (alpha_init_expanders): Remove.
18605 (alpha_return_addr): Adjust to use current_function->machine.
18606 (alpha_ra_ever_killed): Likewise.
18607 (alpha_expand_epilogue): Likewise.
18608 * alpha.md (eh_epilogue): Likewise.
18610 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18611 Melissa O'Neill <oneill@cs.sfu.ca>
18612 Geoffrey Keating <geoffk@cygnus.com>
18614 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18615 call-used registers (call-saved registers must still be contiguous
18616 and end with r31, of course).
18618 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18620 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18621 (self_promoting_type_p): Delete.
18622 (self_promoting_args_p): Move ...
18623 * c-common.c: ... here.
18624 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18625 (simple_type_promotes_to): New.
18626 * builtins.c (lang_type_promotes_to): New.
18627 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18628 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18629 * c-common.h: ... here.
18630 (self_promoting_args_p, simple_type_promotes_to): Declare.
18631 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18632 (grokdeclarator): Likewise.
18633 * tree.h (lang_type_promotes_to): Declare.
18635 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18637 Add some machine-dependent GC roots.
18638 * sparc.c: Include ggc.h.
18639 (sparc_add_gc_roots): New function.
18640 (mark_ultrasparc_pipeline_state): Likewise.
18641 (override_options): Call sparc_add_gc_roots.
18642 * pa.c: Include ggc.h.
18643 (pa_add_gc_roots): New function.
18644 (mark_deferred_plabels): Likewise.
18645 (override_options): Call pa_add_gc_roots.
18646 * mips.c: Include ggc.h.
18647 (mips_add_gc_roots): New function.
18648 (override_options): Use it.
18650 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18652 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18654 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18655 cpp_parse_expr): Add static prototypes.
18656 (parse_charconst): Don't cast away const-ness.
18657 (token): Constify a char*.
18659 * cppfiles.c (file_name_list, include_hash, find_include_file,
18660 finclude, initialize_input_buffer): Constify a char*.
18661 (file_cleanup, find_position): Add static prototypes.
18663 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18664 collect_expansion): Add static prototypes.
18665 (cpp_install, create_definition, monthnames): Constify a char*.
18667 * cpphash.h (cpp_install): Likewise.
18669 * cppinit.c (known_suffixes, default_include,
18670 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18671 (base_name, dump_special_to_buffer, initialize_dependency_output):
18672 Add static prototypes.
18674 * cpplib.c (my_strerror): Constify a char*.
18675 (null_underflow, null_cleanup, skip_comment, copy_comment,
18676 copy_rest_of_line, handle_directive, pass_thru_directive,
18677 get_directive_token, read_line_number, cpp_print_file_and_line,
18678 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18679 v_cpp_warning_with_line, detect_if_not_defined,
18680 consider_directive_while_skipping): Add static prototypes.
18681 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18682 cpp_pedwarn_with_file_and_line): Constify a char*.
18684 * cpplib.h (cpp_options, include_hash, progname, definition,
18685 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18686 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18687 find_include_file, deps_output, include_hash): Constify a char*.
18689 * cppmain.c (progname): Constify.
18690 (main): Add prototype. Use return, not exit.
18692 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18693 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18694 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18695 check_protection): Add static prototype.
18697 (progname, recognized_macrom, recognized_extern): Constify a char*.
18698 (main): Add prototype.
18700 * gen-protos.c (progname): Constify a char*.
18702 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18704 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18705 (init_emit_once): Add more GC roots.
18706 * except.c (mark_func_eh_entry): New function.
18707 (mark_eh_node): Mark false_label and rethrow_label.
18708 (init_eh): Add more GC roots.
18709 * function.c (free_after_compilation): Take decl as a paramter.
18710 Call free_stmt_status.
18711 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18713 * function.h (free_after_compilation): Change prototype.
18714 (free_varasm_status): Likewise.
18715 (free_emit_status): Likewise.
18716 (free_stmt_status): New function.
18717 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18718 Remove, replacing with ...
18719 (ggc_status): New structure.
18720 (ggc_chain): New variable.
18721 (init_gcc): Define.
18722 (ggc_push_context): New function.
18723 (ggc_pop_context): Likewise.
18724 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18725 (ggc_alloc_rtvec): Likewise.
18726 (ggc_alloc_tree): Likewise.
18727 (ggc_alloc_string): Likewise.
18728 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18729 (ggc_mark_tree): Give language-dependent code a chance to mark
18731 (ggc_mark_tree_varray): Handle empty arrays.
18732 (ggc_collect): Adjust for use of ggc_chain. Clear
18733 bytes_alloced_since_last_gc.
18734 * ggc.h (ggc_pop_context): New function.
18735 (ggc_push_context): Likewise.
18736 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18737 * stmt.c (free_stmt_status): New function.
18738 (init_stmt_for_function): Clear last_expr_value.
18739 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18740 Conditionalize call to ggc_collect.
18741 (main): Call init_ggc.
18742 * tree.c (push_obstacks): Do the push, even when GC'ing.
18743 (push_obstacks_nochange): Likewise.
18744 (pop_obstacks): Liekwise.
18745 * varasm.c (free_varasm_status): Take decl as a parameter.
18747 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18749 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18750 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18751 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18752 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18754 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18756 * pa/x-pa-mpeix: New file for the MPE port.
18758 * pa/quadlib.asm: New file for long double support.
18760 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18761 * configure: Rebuilt.
18763 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18765 * final.c (shorten_branches): Fix last change.
18767 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18769 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18771 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18773 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18776 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18778 * c-aux-info.c (concat): Don't define.
18780 * cccp.c (my_strerror): Likewise. All callers changed to use
18782 (do_include): Call xstrdup, not xmalloc/strcpy.
18783 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18784 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18786 * collect2.c (my_strsignal): Likewise. All callers changed to use
18788 (locatelib): Call xstrdup, not xmalloc/strcpy.
18790 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18792 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18794 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18796 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18798 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18800 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18802 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18804 (find_all_handler_type_matches): Likewise. Don't check return
18806 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18807 xmalloc, not malloc.
18808 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18810 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18811 (init_spec): Call xcalloc, not xmalloc/bzero.
18812 (set_spec): Call xstrdup, not save_string.
18813 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18814 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18815 (process_command): Call xstrdup, not save_string.
18816 (main): Call xcalloc, not xmalloc/bzero.
18818 * gcov.c (xmalloc): Don't define.
18819 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18820 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18821 (output_data): Call xcalloc, not xmalloc/bzero.
18823 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18825 * mips-tdump.c (xmalloc): Don't define.
18826 (print_symbol): Call xmalloc, not malloc.
18827 (read_tfile): Call xcalloc, not calloc.
18829 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18830 Don't define. All callers of xfree/my_strsignal changed to use
18831 free/strsignal instead.
18832 (allocate_cluster): Call xcalloc, not calloc.
18834 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18835 Fix memory leak, free allocated memory.
18837 * prefix.c (translate_name): Call xstrdup, not save_string.
18838 (update_path): Likewise.
18840 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18842 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18843 Don't define. Callers of xfree/savestring2 changed to use
18844 free/concat instead.
18846 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18847 (init_elim_table): Likewise.
18849 * resource.c (init_resource_info): Likewise.
18851 * stupid.c (stupid_life_analysis): Likewise.
18853 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18854 (open_dump_file): Call concat, not xmalloc/strcpy/...
18855 (clean_dump_file): Likewise.
18856 (compile_file): Call xstrdup, not xmalloc/strcpy.
18858 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18860 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18861 * v850.c (v850_va_arg): New.
18863 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18865 * haifa-sched.c: Tidy comments.
18867 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18869 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
18870 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
18871 $(out_object_file)): Depend on ggc.h.
18872 * c-common.c: Include "ggc.h".
18873 (combine_strings): If doing GC, use ggc_alloc_string.
18874 * c-decl.c: Include "ggc.h".
18875 (ggc_p): Define with value 0.
18876 (mark_binding_level): New function.
18877 (init_decl_processing): Add GC roots.
18878 (mark_c_function_context): New function.
18879 (lang_mark_false_label_stack): New function.
18880 (lang_mark_tree): New function.
18881 (lang_cleanup_tree): New function.
18882 * c-lang.c: Include "ggc.h".
18883 (lang_init): Call c_parse_init.
18884 * c-lex.c: Include "ggc.h".
18885 (check_linenum): If doing GC, don't copy filenames to permanent
18887 * c-parse.in: Include "ggc.h".
18888 (c_parse_init): New function.
18889 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
18890 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
18892 * except.c (mark_eh_state): Mark more state.
18893 * function.c (mark_function_state): Likewise.
18894 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
18895 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
18896 * toplev.c (mark_file_stack): New function.
18897 (compile_file): If doing GC, use ggc_alloc_string on input filename.
18898 (main): Add root for input_file_stack.
18900 * i386.c: Include "ggc.h".
18901 (ix86_mark_machine_status): New function.
18902 (override_options): Set mark_machine_status.
18904 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18906 * tree.c (copy_node): Copy node contents also if doing GC.
18908 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18910 * collect2.c (scan_libraries): Fix double-thinko :-).
18912 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
18914 * collect2.c (scan_libraries): Fix thinko.
18916 * cse.c (delete_trivially_dead_insns): Do not skip the last
18917 insn if it is a real insn.
18919 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
18921 * Makefile.in (ggc-simple.o): Depend on hash.h.
18922 * ggc.h (ggc_add_tree_hash_table_root): Declare.
18923 (ggc_mark_tree_varray): Likewise.
18924 (ggc_mark_tree_hash_table): Likewise.
18925 * ggc-simple.c: Include hash.h.
18926 (ggc_mark_tree_hash_table_ptr): New function.
18927 (ggc_mark_tree_hash_table_entry): Likewise.
18928 (ggc_mark_tree_hash_table): Likewise.
18929 (ggc_add_tree_hash_table_root): Likewise.
18930 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
18931 rtx, when defining fields.
18933 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18935 * profile.c (output_func_start_profiler): Remove apparently
18936 nonsensical call to start_sequence.
18938 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
18940 * clipper/clipper.c (clipper_va_start): Fix typos.
18942 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
18943 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
18944 (spur_va_arg): New stub.
18946 * configure.in: Comment out pyramid.
18948 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
18950 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
18951 don't conflict with the bits that win32, cygwin, and dgux
18954 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
18955 Bernd Schmidt <bernds@cygnus.co.uk>
18957 * integrate.c (function_cannot_inline_p): Do not inline
18958 functions with forced labels.
18960 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
18961 Bernd Schmidt <bernds@cygnus.co.uk>
18962 Mark Mitchell <mark@codesourcery.com>
18964 * Makefile.in (ggc-simple.o): Depend on varray.h.
18965 (rtl.o): Depend on ggc.h.
18966 (genattrtab.o): Depend on ggc.h.
18967 (print-tree.o): Likewise.
18968 (fold-const.o): Likewise.
18969 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
18970 (make_insn_raw): Don't cache insns when GC'ing.
18971 (emit_insn_before): Likewise.
18972 (emit_insn_after): Likewise.
18973 (emit_insn): Likewise.
18974 (start_sequence): Use xmalloc to allocate the sequence_stack.
18975 (end_sequence): Add free to free it.
18976 (gen_sequence): Don't cache insns when GC'ing.
18977 (clear_emit_caches): Don't use sequence_element_free_list.
18978 (init_emit): Use xcalloc, not xmalloc+bzero.
18979 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
18980 * function.c (pop_function_context_from): Use free to free the
18981 fixup_var_refs_queue.
18982 (put_reg_into_stack): Allocate it with xmalloc.
18983 * genattrtab.c: Include ggc.h.
18984 (operate_exp): Don't use obstack_free when GC'ing.
18985 (simplify_cond): Likewise.
18986 (simplify_text_exp): Likewise.
18987 (optimize_attrs): Likewise.
18988 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
18990 (gencode): Generate a #include for ggc.h.
18991 * ggc-callbacks.c (ggc_p): Define it to zero.
18992 * ggc-none.c (ggc_p): Likewise.
18993 * ggc-simple.c: Include varray.h.
18994 (ggc_mark_tree_varray): New function.
18995 (ggc_add_tree_varray_root): Likewise.
18996 (ggc_mark_tree_varray_ptr): Likewise.
18997 * ggc.h (ggc_p): Declare.
18998 (varray_head_tag): Likewise.
18999 (ggc_add_tree_varray_root): Declare.
19000 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19001 inconsistencies when GC'ing.
19002 * rtl.c: Include ggc.h.
19003 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19004 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19005 (rtx_free): Don't call obstack_free when GC'ing.
19006 * toplev.c (rest_of_compilation): Call ggc_collect after every
19008 * tree.c (push_obstacks): Do nothing, if GC'ing.
19009 (pop_obstacks_nochange): Likewise.
19010 (pop_obstacks): Likewise.
19011 (make_node): Use ggc_alloc_tree when GC'ing.
19012 (copy_node): Likewise.
19013 (get_identifier): Use ggc_alloc_string when GC'ing.
19014 (build_string): Likewise.
19015 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19016 (tree_cons): Likewise.
19017 (build1): Likewise.
19018 (type_hash_canon): Don't call obstack_free when GC'ing.
19020 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19022 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19023 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19025 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19026 Bernd Schmidt <bernds@cygnus.co.uk>
19027 Mark Mitchell <mark@codesourcery.com>
19029 * Makefile.in (stor-layout.o): Depend on ggc.h.
19030 (expr.o): Depend on ggc.h.
19031 (profile.o): Depend on ggc.h.
19032 (stor-layout.o): Depend on ggc.h.
19033 * emit-rtl.c (init_emit_once): Add gc roots.
19034 * expr.c: Include ggc.h.
19035 (emit_block_move): Add gc roots.
19036 (clear_storage): Likewise.
19037 * expr.h (init_stor_layout_once): New function.
19038 * profile.c: Include ggc.h.
19039 (init_arc_profiler): profiler_label is a root.
19040 * scan.c (make_sstring_space): Trust xrealloc to function
19041 correctly with first parameter NULL.
19042 * stor-layout.c: Include ggc.h.
19043 (set_sizetype): Add gc root.
19044 (init_stor_layout_once): New function.
19045 * toplev.c (compile_file): Call it.
19047 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19048 Bernd Schmidt <bernds@cygnus.co.uk>
19049 Mark Mitchell <mark@codesourcery.com>
19051 * Makefile.in (tree.o): Depend on ggc.h.
19052 (varasm.o): Likewise.
19053 (function.o): Likewise.
19054 (stmt.o): Likewise.
19055 (except.o): Likewise.
19056 (optabs.o): Likewise.
19057 (emit-rtl.o): Likewise.
19058 * emit-rtl.c: Include ggc.h.
19059 (sequence_element_free_list): Remove, and all references.
19060 (mark_sequence): New functions.
19061 (mark_emit_state): New function.
19062 * except.c: Include ggc.h.
19063 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19064 (mark_tree_label_node): New functions.
19065 (mark_eh_state): New function.
19066 * function.c: Include ggc.h.
19067 (mark_temp_slot, mark_function_chain): New functions.
19068 (mark_function_state): New function.
19069 (init_function_once): New function.
19070 * function.h (init_function_once): New function.
19071 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19072 * ggc.h (label_node): Declare.
19073 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19074 (lang_mark_false_label_stack): New function.
19075 (mark_temp_slot): Remove declaration.
19076 (mark_function_chain): Likewise.
19077 (mark_eh_state): Adjust prototype.
19078 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19080 * optabs.c: Include ggc.h.
19081 (mark_optab): New function.
19082 (init_optabs): Add gc roots.
19083 * stmt.c: Include ggc.h.
19084 (mark_cond_nesting, mark_loop_nesting): New functions.
19085 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19086 (mark_stmt_state): New function.
19087 * toplev.c (compile_file): Call init_function_once.
19088 * tree.c: Include ggc.h.
19089 (type_hash): Move declaration earlier in file.
19090 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19091 (init_obstacks): Add gc roots.
19092 (mark_type_hash): New function.
19093 * varasm.c: Include ggc.h.
19094 (mark_pool_constant): New function.
19095 (mark_varasm_state): New function.
19097 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19099 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19101 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19103 * c-decl.c (struct language_function): Renamed from struct c_function.
19105 (c_function_chain): Delete.
19106 (push_c_function_context): New arg F. Don't warn about nested
19107 functions here. Fill LANGUAGE elt of F. Delete code to update
19108 c_function_chain. Don't call push_function_context.
19109 (pop_c_function_context): New arg F. Restore from there instead of
19110 from c_function_chain. Don't call pop_function_context. Clear out
19111 LANGUAGE field of F when done.
19112 * c-lang.c: Include "function.h"
19113 (lang_init): Initialize save_lang_status and restore_lang_status.
19114 * c-parse.in (nested_function, nested_function_notype): Warn about
19115 nested functions. Call push_function_context/pop_function_context
19116 instead of the _c_ variants.
19117 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19119 * Makefile.in (c-lang.o): Update dependencies.
19121 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19122 regno_pointer_flag, regno_pointer_align.
19123 (gen_reg_rtx): Use xrealloc to enlarge them.
19124 (free_emit_status): New function.
19125 * function.c (mark_machine_status, mark_lang_status): New variables.
19126 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19127 in some bits from assign_stack_local. All callers changed to use new
19129 (assign_stack_local): Just call assign_stack_local_1.
19130 (free_after_compilation): New function.
19131 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19132 (trampoline_address): Likewise.
19133 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19134 (prepare_function_start): Explicitly clear some more variables.
19135 * function.h (struct function): New elt can_garbage_collect.
19136 (mark_machine_status, mark_lang_status): Declare variables.
19137 (free_after_compilation, free_emit_status, free_varasm_status,
19138 init_varasm_status): Declare functions.
19139 * toplev.c (rest_of_compilation): Call free_after_compilation when
19140 done with the current function.
19141 * varasm.c (free_varasm_status): New function.
19143 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19145 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19146 (EXPAND_BUILTIN_VA_ARG): Define.
19147 * sparc.c (sparc_va_start): New.
19148 (sparc_va_arg): New.
19150 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19152 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19154 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19156 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19158 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19160 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19161 (OBJS): Add $(GGC).
19162 (ggc-callbacks.o): New target.
19163 * ggc-callbacks.c: New file.
19165 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19167 * expr.h: Collapse individual optab and libfunc vars to arrays.
19168 (optab_index, libfunc_index): New enumerations.
19169 (optab_table, libfunc_table): New arrays.
19170 Add accessor macros for both.
19172 * optabs.c (optab_table, libfunc_table): New.
19173 Delete declarations for individual optab and libfunc vars.
19175 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19177 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19179 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19181 * Makefile.in (GGC, GGC_LIB): New.
19182 (HOST_RTL): Include ggc-none.o.
19183 (ggc-simple.o): New target.
19184 (ggc-none.o): Likewise.
19185 * tree.h (tree_common): Add gc_mark.
19186 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19187 (struct rtvec_def): Add gc_mark.
19188 * emit-rtl.c (global_rtl): Update static initializers to contain
19189 enough initializers.
19190 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19191 * toplev.c (gc_time): New variable.
19192 (all_time): New variable.
19193 (compile_file): Print gc time.
19194 (print_time): Calculate percentage of the whole.
19196 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19198 Change obstack memory management and varasm constant pool handling so
19199 that nested functions are treated like any other functions.
19200 * function.c (init_machine_status): New variable.
19201 (push_function_context_to): Set contains_functions for the outer
19202 function. Don't call save_varasm_status.
19203 (pop_function_context_from): Don't call restore_varasm_status. Don't
19204 set current_function_contains_functions.
19205 (prepare_function_start): Call init_varasm_status rather than
19206 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19208 * function.h (struct function) Add field varasm. Delete fields
19209 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19210 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19211 (init_machine_status): Declare.
19212 (save_varasm_status, restore_varasm_status): Delete declarations.
19213 (save_tree_status, restore_tree_status): Delete last argument.
19214 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19215 code. All callers changed.
19216 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19217 save_constants_in_decl_trees, restore_constants, save_constants,
19218 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19220 (inlining): New variable.
19221 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19222 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19224 (save_for_inline_nocopy): Don't save constants.
19225 Don't set inl_emit field in current_function.
19226 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19227 function. Set new variable inlining before
19228 calling copy_rtx_and_substitute.
19229 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19230 constant pool references if inlining is nonzero.
19231 Delete ADDRESS and (most of the) CONST cases.
19232 (output_inline_function): Save and restore current_function/
19233 current_function_decl. Delete restore_constants code. Don't call
19234 init_const_rtx_hash_table.
19235 * output.h (init_const_rtx_hash_table): Don't declare.
19236 * rtl.h (struct function): Declare.
19237 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19238 * toplev.c (rest_of_compilation): Don't treat nested functions or
19239 functions containing them specially. Delete all code to deal with
19240 save_for_inline_copying.
19241 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19242 inline_obstacks): Delete variables.
19243 (save_tree_status): Lose arg CONTEXT. All callers changed.
19244 Simply allocate a new function_maybepermanent_obstack for the new
19245 function, delete all the special cases.
19246 Don't save inline_obstacks.
19247 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19248 Delete special handling for function_maybepermanent_obstack; simply
19250 Don't restore inline_obstacks.
19251 (permanent_allocation): Delete code that frees inline_obstacks.
19252 (print_inline_obstack_statistics): Delete function.
19253 (dump_tree_statistics): Don't call it.
19254 * varasm.c (struct varasm_status): New.
19255 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19256 last_pool, pool_offset, const_double_chain): Delete global
19257 variables, replace with accessor macros.
19258 (immed_double_const): Don't walk const_double_chain outside a
19259 function, but don't treat nested functions specially anymore.
19260 (immed_real_const_1): Likewise.
19261 (clear_const_double_mem): Don't treat nested functions specially.
19262 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19263 (save_varasm_status, restore_varasm_status): Delete functions.
19264 (init_varasm_status): New function.
19265 (force_const_mem): Don't treat nested functions specially.
19266 (find_pool_constant): Accept new arg F, search for constants in
19267 that function's pool rather than the current one. All callers
19269 (get_pool_constant_for_function, get_pool_mode_for_function): New
19272 * i386.c (init_386_machine_status): New function, mostly from
19273 clear_386_stack_locals.
19274 (struct machine_functions): Rename element names to avoid name
19276 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19277 macros, replacing global variables.
19278 (clear_386_stack_locals, save_386_machine_status,
19279 restore_386_machine_status): Delete functions.
19280 (override_options): Initialize init_machine_status.
19281 * i386.h (INIT_EXPANDERS): Delete macro.
19282 (save_386_machine_status, restore_386_machine_status,
19283 clear_386_stack_locals): Delete declarations.
19285 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19287 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19288 (doloop_begin): Simplify pattern and use emit_jump_insn.
19289 (doloop_end): Simplify pattern, switch operand order,
19290 and use emit_jump_insn.
19292 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19294 * function.h (struct function): Add new element LANGUAGE.
19295 (save_lang_status): Declare new variable.
19296 (restore_lang_status): Likewise.
19297 * function.c (save_lang_status): Define.
19298 (restore_lang_status): Likewise.
19299 (push_function_context_to): Call language-specific save function.
19300 (pop_function_context_from): Call language-specific restore function.
19302 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19304 * i386.md (movsf_1): Check REG_P before use of REGNO.
19305 (movdf_1): Likewise.
19306 (movxf_1): Likewise.
19307 (extendsfdf2): Likewise.
19308 (extendsfxf2): Likewise.
19309 (extenddfxf2): Likewise.
19311 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19313 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19314 constants into memory.
19315 (c4x_shiftable_constant): New function.
19316 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19317 (c4x_shiftable_constant): Declare.
19318 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19319 ashlqi3_noclobber): Add new patterns and associated splitters.
19321 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19323 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19324 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19325 * final.c (shorten_branches): Likewise.
19326 * global.c (global_alloc): Likewise.
19327 * haifa-sched.c (build_control_flow): Likewise.
19328 * stmt.c (check_for_full_enumeration_handling): Likewise.
19329 (estimate_case_costs): Likewise.
19331 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19333 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19335 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19337 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19338 (recompute_reg_usage): Likewise.
19339 * rtlanal.c (find_regno_fusage): Likewise.
19341 * rtl.c (rtl_check_failed_code1): New function.
19342 (rtl_check_failed_code2): New.
19343 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19344 (RTL_CHECKC1, RTL_CHECKC2): New.
19345 (XC*): New accessor macros.
19346 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19347 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19348 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19349 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19350 (TRAP_*, RANGE_INFO_*): Likewise.
19352 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19354 * Makefile.in (tlink.o): Don't depend on toplev.h.
19356 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19357 output_file, nm_file_name, ldd_file_name, strip_file_name,
19358 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19359 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19360 fork_execute, maybe_unlink, add_to_list,
19361 extract_init_priority, write_list, dump_list,
19362 dump_prefix_list, write_list_with_asm, write_c_file,
19363 write_c_file_stat, write_c_file_glob, scan_prog_file,
19364 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19365 ignore_library, extract_string, notice, dump_file, target_machine,
19366 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19367 read_file, print_load_command): Constify a char*.
19368 (fdopen, error, fatal, fatal_perror): Don't prototype.
19369 (my_strerror): Remove. All callers use xstrerror instead.
19370 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19371 (main): Add prototype. Constify lots of char* ptrs. Change calls
19372 to xcalloc/strcpy/strcat/... to one call to concat.
19373 (main, scan_prog_file, scan_libraries): Use an intermediate
19374 `const char **' to build an argv array.
19375 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19377 * collect2.h (collect_execute, collect_wait, dump_file,
19378 file_exists): Constify a char*.
19379 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19380 temporary_firstobj, vflag, debug): Add extern declarations.
19381 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19383 * tlink.c: Don't include toplev.h.
19384 (vflag, debug, ldout, c_file_name, temporary_obstack,
19385 permanent_obstack, temporary_firstobj): Don't declare.
19386 (tlink_execute, frob_extension, symbol_hash_lookup,
19387 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19388 recompile_files, read_repo_files, demangle_new_symbols,
19389 scan_linker_output): Constify a char*.
19390 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19391 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19393 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19395 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19396 (relative) rather than jsr (absolute) subroutine call insns.
19397 * config/m68k/m68k-coff.h: Ditto.
19399 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19401 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19402 now rework these too.
19403 (arm_reorg): If an insn can't reach the end of the current pool,
19404 ensure that we emit that pool before the insn.
19406 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19408 * tlink.c (scan_linker_output): Skip the initial underscore in
19409 a mangled name if appropriate.
19411 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19413 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19414 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19415 error_with_ivar, gen_declarator, create_builtin_decl,
19416 my_build_string, generate_descriptor_table, generate_ivars_list,
19417 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19418 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19419 dump_base_name, lang_decode_option, build_encode_expr,
19420 start_class, finish_class, encode_pointer, really_start_method,
19421 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19423 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19424 Add static prototypes.
19425 (build_objc_string_decl, build_selector_reference_decl,
19426 encode_bitfield, build_class_reference_decl): Remove unused
19427 parameter, all callers changed.
19428 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19429 (objc_printable_name): Likewise. Change second parameter to type int.
19430 (init_objc): Use memcpy, not bcopy, to avoid casts.
19432 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19434 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19435 reg notes on a deleted insn.
19436 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19438 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19440 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19442 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19444 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19447 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19449 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19450 * tm.texi (MD_ASM_CLOBBERS): Document it.
19452 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19454 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19455 * except.c (expand_rethrow): Remove unused variable.
19456 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19457 * flow.c (replace_insns): Likewise.
19458 (create_edge_list, verify_edge_list): Likewise.
19459 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19461 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19462 is special code to run.
19463 (main): Don't define operands to emit_operand.
19464 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19466 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19468 * alpha/alpha.h (normal_memory_operand): Declare.
19469 (reg_no_subreg_operand): Declare.
19470 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19472 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19474 * c-parse.in (compstmt_primary_start): New, broken out of first
19475 part of compstmt handling in primary.
19476 (primary): Use it. Add an error clause.
19477 (compstmt_nostart): Renamed from compstmt; remove all
19478 initial invocations of compstmt_start.
19481 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19483 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19486 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19488 * combine.c (simplify_shift_const): Remove extra semicolon.
19489 * dwarf2out.c (remove_AT): Likewise.
19490 * expmed.c (expand_mult): Likewise.
19491 * gcov.c (create_program_flow_graph): Likewise.
19492 * reorg.c (mostly_true_jump): Likewise.
19494 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19496 * fold-const.c (fold_range_test): Do not try to fold the range
19497 test if the rhs or lhs has side effects.
19499 * combine.c (simplify_rtx): Recognize another case of a synthesized
19502 * varasm.c (mark_constant_pool): When marking indirect references,
19503 only look at SYMBOL_REFs.
19505 * except.c (expand_fixup_region_end): Do not peek at
19506 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19508 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19510 * flags.h: New variables align_loops, align_loops_log,
19511 align_jumps, align_jumps_log, align_labels, align_labels_log,
19512 align_functions, align_functions_log.
19513 * toplev.c: Define them.
19514 (f_options): Handle -falign-* when they have no argument.
19515 (main): Add logic to set variables for -falign-functions,
19516 -falign-jumps, -falign-labels, -falign-loops.
19517 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19518 (display_help): Change help to match options.
19519 * final.c (LABEL_ALIGN): Default to align_labels_log.
19520 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19521 (LOOP_ALIGN): Default to align_loops_log.
19522 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19523 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19524 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19525 * varasm.c (assemble_start_function): Handle align_functions.
19527 * config/sparc/sparc.h: Don't declare sparc_align_*.
19528 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19529 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19531 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19533 * config/sparc/sparc.c: Delete sparc_align_loops,
19534 sparc_align_jumps, sparc_align_funcs and the corresponding string
19536 (sparc_override_options): Default align_functions on ultrasparc.
19537 Delete -malign-* handling.
19539 * config/mips/mips.c (override_options): On 64-bit targets,
19540 try to align code to 64-bit boundaries.
19541 (print_operand): New substitution, %~,
19542 which aligns labels to align_labels_log.
19543 * config/mips/mips.md (div_trap_normal): Use %~.
19544 (div_trap_mips16): Likewise.
19546 (absdi2): Likewise.
19547 (ffssi2): Likewise.
19548 (ffsdi2): Likewise.
19549 (ashldi3_internal): Likewise.
19550 (ashrdi3_internal): Likewise.
19551 (lshrdi3_internal): Likewise.
19552 (casesi_internal): Likewise.
19554 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19556 Merge new ia32 backend from the branch!
19558 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19559 See ChangeLog.P2 on new_ia32_branch for details.
19561 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19562 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19563 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19564 * i386/gas.h (ASM_FILE_START): Define.
19565 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19566 for name change of ix86_valid_decl_attribute_p.
19567 (i386_pe_valid_type_attribute_p): Similarly.
19569 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19571 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19572 to step through CC modes.
19574 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19576 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19577 it would end up in the shadow of a live flags regsiter.
19579 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19581 * reload1.c: Fix many indentation problems.
19582 * reload.c: Likewise.
19584 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19586 * alias.c (non_local_reference_p): Constify fmt.
19588 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19590 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19592 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19594 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19595 the internal_arg_pointer.
19597 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19599 Merge peephole2 from new_ia32_branch:
19600 * Makefile.in (STAGESTUFF): Add *.peephole2.
19601 (mostlyclean): Likewise.
19602 (recog.o): Depend on resource.h.
19604 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19605 (final_scan_insn): Likewise for the invocation of peephole.
19606 * genconfig.c (main): Look for peephole and peephole2 patterns.
19607 Emit HAVE_peephole* accordingly.
19608 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19609 * flags.h (flag_peephole2): Declare.
19610 * toplev.c: New pass peephole2. New flag -fpeephole2.
19612 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19613 * gencodes.c (main): Likewise.
19614 * genextract.c (main): Likewise.
19615 * genoutput.c (main): Likewise.
19616 * genemit.c (max_operand_1): Look for the max scratch operand.
19617 (gen_rtx_scratch): New.
19618 (gen_exp): Use it, and pass on new arg subroutine_type.
19619 (gen_expand): Take max scratch into account.
19620 (gen_split): Emit peephole2 functions.
19621 (output_peephole2_scratch): New.
19622 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19623 * genrecog.c (routine_type): Add PEEPHOLE2.
19625 (make_insn_sequence): Match outer parallel for peep2. Discard
19626 top level scratches and dups.
19627 (add_to_sequence): New args insn_type and top. Update all callers.
19628 Handle toplevel peep2 matching insns.
19629 (write_subroutine): Handle peep2.
19630 (write_tree_1): Likewise.
19631 (write_tree): Likewise.
19633 (change_state): New arg afterward. Update all callers.
19634 Handle matching separate insns.
19635 * recog.c (recog_next_insn): New.
19636 (peephole2_optimize): New.
19637 * rtl.def (DEFINE_PEEPHOLE2): New.
19638 * resource.c (find_free_register): New argument last_insn. Use it
19639 to find a register available through the entire span.
19640 * resource.h (find_free_register): Update prototype.
19642 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19644 * i386.c (output_strlen_unroll): Don't write xops[7]
19645 label if it wasn't set.
19647 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19649 * cpplib.c (struct directive): Const-ify name pointer and
19650 function pointer prototype.
19651 (validate_else, do_define, do_line, do_include, do_undef,
19652 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19653 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19654 do_warning): Const-ify second arg.
19655 (directive_table): Mark const. Reorder entries by frequency
19656 of usage, record statistics.
19658 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19660 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19661 bounds- check RTL accesses if --enable-checking.
19662 (RTVEC_ELT): Bounds check if --enable-checking.
19663 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19664 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19665 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19667 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19668 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19670 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19671 (NOTE_SOURCE_FILE): Use X0STR.
19672 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19673 MEM_ALIAS_SET): Use X0INT.
19674 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19675 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19677 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19678 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19679 (rtl_check_failed_bounds, rtl_check_failed_type1,
19680 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19682 (fancy_abort): Fix comment.
19684 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19685 (cse_insn): Decrement LABEL_NUSES for jump target before
19686 deleting jump insn.
19687 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19688 * final.c (alter_subreg): Compute regno before changing x to
19689 REG; set REGNO(x) after changing it.
19690 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19691 notes containing CONST_INTs.
19692 (delete_eh_regions): Use NOTE_EH_HANDLER.
19693 * function.c (put_reg_into_stack): Make reg a MEM before
19695 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19697 (gen_mem_addressof): Make reg a MEM before initializing it.
19698 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19700 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19701 deleting an insn, not after.
19702 (block_alloc): Only look at PATTERN(insn) if we have to, and
19703 only if it's format class 'i'.
19704 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19705 CONST_INT before using its INTVAL.
19706 * print-rtl.c (print_rtx): Use X0STR.
19707 * regmove.c (fixup_match_1): Don't look at PATTERN of
19708 non-class-'i' insn chain elements.
19709 * reload.c (loc_mentioned_in_p): Take address of
19710 in->fld[1].rtx directly.
19711 * reload1.c (reload): Change reg to a MEM before initializing
19713 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19715 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19717 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19719 * config/mips/mips.c (machine_dependent_reorg): Force a
19720 barrier to output the local constant pool if a barrier hasn't
19721 been found at a natural point in the instruction stream.
19723 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19725 * c-parse.in (language_string): Constify.
19727 * dwarf2out.c (language_string): Remove declaration.
19729 * dwarfout.c (language_string): Likewise.
19731 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19733 * tree.h (language_string, init_parse, finish_parse): Declare.
19735 * i386/sun386.h (language_string): Remove declaration.
19737 * mips.h (language_string): Likewise.
19739 * nextstep.h (language_string): Likewise.
19741 * nextstep21.h (language_string): Likewise.
19743 * rs6000.c (language_string): Likewise.
19745 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19747 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19748 (getpwd.o): Remove target.
19750 * getpwd.c: Delete file. Its in libiberty now.
19752 * dbxout.c (getpwd): Don't prototype.
19753 * dwarf2out.c (getpwd): Likewise
19754 * dwarfout.c (getpwd): Likewise
19755 * final.c (getpwd): Likewise.
19756 * protoize.c (getpwd): Likewise.
19758 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19760 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19762 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19764 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19765 mark_set_resources.
19767 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19769 * fixinc/Makefile.in (subdir): New.
19770 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19773 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19775 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19776 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19779 * invoke.texi: Fix typo.
19781 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19782 changed. Handle autoincrement addressing modes.
19784 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19785 just like we would the virtual incoming args register when
19788 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19790 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19791 path, in .file directive.
19793 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19795 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19798 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19800 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19803 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19805 * tree.c (tree_code_name): Constify a char*.
19807 * tree.h (tree_code_name, decl_printable_name): Likewise.
19809 * function.h (struct function): Likewise.
19811 * toplev.c (decl_name, decl_printable_name): Likewise.
19813 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19815 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19816 (init_objc): Remove function pointer cast.
19818 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19820 * pa.md (interspace_jump): New pattern.
19821 (builtin_longjmp): New expander.
19823 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19825 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19826 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19827 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19829 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19831 * jump.c (delete_prior_computation): Also check calls
19832 to constant functions. Don't bother checking for a
19833 REG_UNUSED note before adding it.
19834 (delete_computation): Handle multi-word hard registers
19835 when synthesizing missing REG_DEAD notes for a register
19836 which is both set and used by an insn.
19838 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19840 * loop.c (this_loop_info): New variable.
19841 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19842 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19844 (prescan_loop, strength_reduce): New argument loop_info. All callers
19846 (scan_loop): New variable loop_info, initialise to address of
19848 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19849 Delete variable loop_has_multiple_exit targets and replace with
19850 field in this_loop_info.
19851 (find_and_verify_loops): Rename this_loop to this_loop_num.
19852 (strength_reduce): Delete loop_iteration_info. Replace variable
19853 loop_info with function argument of same name.
19854 (insert_bct): Rework test for loop being completely unrolled.
19856 * loop.h (struct loop_info): New fields num, loops_enclosed,
19857 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19858 has_indirect_jump, and cont. Redefine use of unroll_number.
19859 (loop_unroll_number): Delete.
19861 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19862 field of loop_info.
19863 (loop_iterations): Delete variable vtop and instead use
19864 loop_info->vtop computed in prescan_loop.
19866 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
19868 * fix-header.c (main): Do not pass a null pointer to strcmp.
19870 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
19872 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
19874 * configure: Rebuilt.
19876 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
19878 * jump.c (jump_optimize_1): Do not delete assignments to
19879 internal_arg_pointer.
19880 * cse.c (delete_trivially_dead_insns): Always consider a set of
19881 the internal_arg_pointer live.
19883 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
19885 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
19886 (update_life_info) [REG_WAS_0]: Search the original insns rather
19887 than the new insns for the note. Fix typos finding note_dest.
19888 If no dest found, discard the note rather than abort.
19889 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
19890 (replace_insns): Remove the old insn list after update_life_info
19893 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
19895 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
19896 sched_analyze_insn.
19897 (sched_analyze_1): Let add_dependence care for not adding dups.
19898 (sched_analyze_2): Likewise.
19899 (add_branch_dependences): Likewise.
19901 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
19903 * i386/winnt.c (export_list): New type.
19904 (exports_head): Rename to
19905 (export_head): this.
19906 (i386_pe_record_exported_symbol): Add is_data flag.
19907 (i386_pe_asm_file_end): Emit directive for exported variables.
19908 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
19910 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
19911 (ASM_DECLARE_OBJECT_NAME): Likewise.
19912 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19913 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
19915 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
19917 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
19919 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
19922 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
19924 * config/openbsd.h: Define SET_ASM_OP.
19925 * tm.texi: cross-reference SET_ASM_OP in the index.
19927 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
19929 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
19930 for a CONST_DOUBLE, at compile time. Initialize rtx_length
19931 and class_narrowest_mode at compile time. Kill init_rtl.
19932 Mark rtx_length, mode_class, mode_size, mode_unit_size,
19933 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
19934 rtx_format as const. Kill all references to EXTRA_CC_MODES or
19936 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
19938 * rtl.h: Declare rtx_length and rtx_format as const.
19939 * machmode.def: Define CC(). Use CC() to define CCmode. If
19940 EXTRA_CC_MODES is defined, expand it here.
19941 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
19942 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
19943 const. Kill all references to EXTRA_CC_MODES.
19945 * toplev.c: Don't prototype or call init_rtl.
19946 * optabs.c: Don't call init_mov_optab.
19947 * genemit.c: Don't generate init_mov_optab. Don't call
19949 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
19951 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
19952 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
19953 genrecog.c: Don't call init_rtl.
19955 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
19956 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
19957 definition of EXTRA_CC_MODES.
19959 * md.texi: Kill ref to EXTRA_CC_NAMES.
19960 * tm.texi: Document new way to define EXTRA_CC_MODES.
19962 * genrecog.c: Do not look up the name of a define_split.
19963 (Unrelated bugfix.)
19965 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
19967 * config/v850/v850.md: Fix typo introduced by previous delta.
19969 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19971 * gcc.c (fatal): Make definition static to match prototype.
19973 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19975 * combine.c (get_last_value): Don't look for earlier sets if the last
19976 known set is somewhere in between the insns being combined.
19978 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
19980 * configure.in: Don't use shell ! to negate exit codes
19981 * configure: Regenerate
19983 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
19985 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
19986 the fact that ALIGN is measured in bits, not bytes.
19988 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
19990 * errors.c: New file; defines functions error, warning, and
19991 fatal, variables have_error and progname.
19992 * errors.h: New file; prototypes and decls for stuff in errors.c.
19994 * Makefile: Add rules to build errors.o and
19995 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
19996 genopinit, genrecog, genextract, genpeep, genattr, and
19997 genoutput with errors.o. Add errors.h to deps of genconfig.o,
19998 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
19999 genpeep.o, genattr.o, and genoutput.o.
20001 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20002 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20003 define or prototype fatal. Set progname at beginning of main.
20004 * genoutput.c: Likewise, and don't define or prototype error
20007 * c-typeck.c (c_expand_start_case): Return immediately if exp
20009 * fold-const.c (operand_equal_p): Return immediately if arg1
20010 or arg0 are ERROR_MARKs.
20011 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20012 fields of type ERROR_MARK when calculating if the record can
20015 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20016 with much help from Jeffrey A Law and Richard Henderson
20018 * i386.md: In the 6 insns which call output_fix_trunc,
20019 earlyclobber operands[0].
20021 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20023 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20024 creating new registers.
20026 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20028 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20029 i386_reg_alloc_order, i386_regparm_string,
20030 i386_align_loops_string, i386_align_jumps_string,
20031 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20032 and i386_branch_cost_string as type "const char *".
20033 * i386.c: Define all above strings as type "const char *".
20035 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20037 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20038 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20040 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20042 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20043 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20045 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20047 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20048 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20049 (dwarf2out_line, dwarf2out_finish): Likewise.
20050 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20052 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20054 * tree.c (lang_unsave_expr_now) : Correct return type.
20055 * tree.h (lang_unsave_expr_now) : Same.
20057 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20059 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20060 instead of duplicating code.
20062 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20064 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20066 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20068 * tree.h: fancy_abort always takes three args.
20069 * resource.c: Move include of system.h before toplev.h.
20071 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20073 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20076 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20078 * system.h: Don't redefine abort or trim_filename.
20079 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20080 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20081 whether or not __FUNCTION__ is available.
20082 * tree.h: Duplicate rtl.h's definition of abort, for files
20083 that don't include rtl.h. Delete all code to perform type
20084 checking with a compiler other than GCC.
20085 * varray.h: Delete all code to perform type checking with a
20086 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20087 its arguments exactly once, using a statement expression.
20088 Adjust the VARRAY_<type> accessor macros to match.
20089 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20090 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20091 caller's location. Define fatal_insn and fatal_insn_not_found
20092 as macros that use _fatal_insn and _fatal_insn_not_found.
20093 (fancy_abort, trim_filename): Kill prototypes.
20095 * rtl.c (trim_filename): Move here from toplev.c.
20096 (fancy_abort): New function.
20097 (DIR_SEPARATOR): Provide default definition.
20098 * tree.c (tree_check_failed, tree_class_check_failed): Go
20099 through fancy_abort.
20100 (tree_check, tree_class_check, cst_or_constructor_check,
20101 expr_check): Delete.
20102 * varray.c (varray_check_failed): New function.
20103 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20104 _fatal_insn and _fatal_insn_not_found. Go through
20106 (trim_filename, fancy_abort): Delete.
20108 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20109 * except.c (start_catch_handler): Report ICE with error/abort
20111 * final.c (output_operand_lossage): Likewise.
20112 * flow.c (verify_flow_info): Likewise.
20114 * gcc.c: Prototype fatal.
20115 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20116 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20117 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20118 Don't define fancy_abort.
20120 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20122 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20125 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20127 * m88k.h (VERSION_INFO2): Kill.
20128 (VERSION_STRING): Kill.
20130 (VERSION_INFO1): Tidy.
20131 (TARGET_VERSION): Update.
20132 * m88k/dgux.h (VERSION_INFO2): Kill.
20133 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20134 * m88k/luna.h (VERSION_INFO1): Tidy.
20135 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20136 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20137 (output_file_start): Adjust for death of VERSION_STRING.
20139 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20141 * cpplib.c (detect_if_not_defined): New function.
20142 (do_if): Use it to detect potential once-only headers.
20144 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20146 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20148 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20150 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20151 anywere in the function only if they are pseudos and set before
20152 being used (not live at the start of the function).
20153 (num_sign_bit_copies) : Same.
20154 (get_last_value_validate) : Same.
20155 (get_last_value) : Same.
20157 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20159 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20160 where N and M are constant and N is an integer multiple of M.
20162 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20164 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20165 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20166 sbitmap_union_of_preds): Add prototypes.
20167 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20168 the intersection of successors with the new flow graph structures.
20169 (sbitmap_intersection_of_preds): New function to compute the
20170 intersection of predecessors with the new flow graph structures.
20171 (sbitmap_union_of_succs): New function to compute the union of
20172 successors with the new flow graph structures.
20173 (sbitmap_union_of_preds): New function to compute the union of
20174 predecessors with the new flow graph structures.
20175 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20176 (expr_reaches_here_p): Use edge and basic_block structures instead
20177 of s_preds and s_succs.
20178 (compute_cprop_avinout): Use new sbitmap routines.
20179 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20180 of s_preds and s_succs.
20181 * flow.c (compute_flow_dominators): Compute dominators using
20182 edges and basic blocks instead of s_preds and s_succs.
20184 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20186 * lists.c (unused_insn_list, unused_expr_list): New file for
20187 maintaining various types of lists. New statics for maintaining a
20188 cache of available INSN_LIST and EXPR_LIST nodes.
20189 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20190 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20191 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20192 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20193 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20194 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20195 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20196 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20197 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20198 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20199 (remove_dependence, free_pending_lists): Use new global routines.
20200 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20201 (sched_analyze, compute_block_backward_dependences): Use new routines.
20202 (sched_analyze_1, sched_analyze_2): Use new routines.
20203 (schedule_insns): Use new global routines.
20204 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20206 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20207 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20209 * toplev.c (rest_of_compilation): Initialize node cache.
20210 * Makefile.in (OBJS): Add lists.o to list of object files.
20211 (lists.o): Add dependancies.
20213 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20215 * config/v850/v850.md: Fix compile time warning messages.
20216 * config/v850/v850.c: Fix compile time warning messages.
20217 * config/v850/v850.h: Fix compile time warning messages.
20219 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20221 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20222 Remove unused prototype for `init_lengths'.
20224 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20226 * calls.c (emit_call_1): Mark parameter `stack_size' with
20228 (expand_call): Initialize variable `insn'.
20229 (emit_library_call): Likewise for variable `high_to_save'.
20230 (emit_library_call_value): Likewise.
20231 (store_one_arg): Likewise for variables `lower_bound' and
20234 * combine.c (try_combine): Likewise for variables `i2_code_number'
20235 and `other_code_number'.
20236 (find_split_point): Likewise for variables `pos', `unsignedp' and
20238 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20239 (simplify_and_const_int): Remove unused variable `width'.
20240 (merge_outer_ops): Likewise.
20242 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20243 HOST_WIDE_INT' when comparing against one.
20244 (simplify_relational_operation): Likewise.
20245 (cse_insn): Initialize variables `src_eqv_volatile',
20246 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20248 * final.c (init_final): Constify parameter `filename'.
20249 (final_start_function): Mark parameter `optimize' with
20251 (profile_function): Likewise for parameters `first' and `optimize'.
20252 (output_source_line): Likewise for parameter `file'.
20254 * integrate.c (subst_constants): Cast a value to `size_t' when
20255 comparing against one.
20256 (mark_stores): Initialize variable `mode'. Cast a value to
20257 `size_t' when comparing against one.
20259 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20261 * loop.c (move_movables): Initialize variable `first'.
20262 (strength_reduce): Likewise for variable `increment'.
20263 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20264 value to `size_t' when comparing against one.
20265 (load_mems): Initialize variable `end_label'.
20267 * output.h (init_final): Constify parameter.
20269 * reload.c (decompose): Initialize variable `base'.
20271 * reload1.c (reload): Likewise for variable `is_scalar'.
20272 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20273 (choose_reload_regs): Initialize variable `mode'.
20274 (emit_reload_insns): Likewise for variable `store_insn'.
20275 (reload_cse_noop_set_p): Mark parameter `insn' with
20277 (reload_combine): Initialize variable `set'.
20279 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20280 (copy_loop_body): Cast a value to `size_t' when comparing against
20283 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20284 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20285 (remove_from_pending_weak_list): Mark parameter `name' with
20288 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20290 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20293 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20295 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20296 (ASM_DECLARE_FUNCTION_NAME): Define.
20297 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20298 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20299 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20300 not already defined.
20302 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20304 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20305 of n_popped when call/call_value are not defined.
20307 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20309 * tm.texi: GNU CC -> GCC conversion.
20310 (CC1_SPEC): Indicate it is used for all language front ends.
20312 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20314 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20315 NOTE_INSN_EH_REGION_END correctly.
20317 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20318 Jeff Law <law@cygnus.com>
20320 * loop.c (strength_reduce): Automatically unroll loops if the
20321 unrolled loop size is smaller than the rolled loop size.
20323 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20324 and delete comment that code should be rewritten.
20326 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20328 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20331 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20333 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20335 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20336 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20337 (LINK_SPEC): Add -u _main when building executables.
20338 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20339 (ASM_FILE_END): Use the default for ix86-pe.
20340 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20342 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20344 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20345 and ASM_CLOSE_PAREN are empty strings.
20347 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20348 Geoffrey Keating <geoffk@cygnus.com>
20350 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20351 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20352 (unprotoize.o): Ditto.
20353 (test-protoize-simple): Don't define STD_PROTO_DIR.
20354 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20355 changes to make 'test-protoize-simple' pass.
20356 (STD_PROTO_DIR): Remove define.
20357 (STANDARD_EXEC_PREFIX): Supply default define.
20358 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20359 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20360 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20361 (GET_ENV_PATH_LIST): New macro.
20362 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20363 (do_processing): Initialize default_syscalls_dir using new
20364 macros. Use it to initialize syscalls_absolute_filename.
20366 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20368 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20369 B into a register before emit_conditional_move.
20371 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20373 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20374 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20375 multiplicand out of (+ (* a b) (* c d)).
20377 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20378 Richard Henderson <rth@cygnus.com>
20380 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20381 (new_insn_dead_notes): Likewise.
20382 (update_n_sets): Likewise.
20383 (update_flow_info): Move to flow.c, renamed to update_life_info;
20384 extend to handle multiple source insns.
20385 * flow.c: Include resource.h
20386 (unlink_insn_chain): New.
20387 (split_hard_reg_notes): New.
20388 (maybe_add_dead_note): New.
20389 (maybe_add_dead_note_use): New.
20390 (find_insn_with_note): New.
20391 (new_insn_dead_notes): New.
20392 (update_n_sets): New.
20393 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20394 (maybe_remove_dead_notes): New.
20395 (update_life_info): New.
20396 (prepend_reg_notes): New.
20397 (replace_insns): New.
20398 * output.h (update_life_info): Declare.
20399 * recog.c (split_block_insns): Use update_life_info.
20400 * resource.c (find_free_register): Use reg_alloc_order, don't use
20401 fixed regs, make sure the mode is supported, don't use new regs.
20403 * rtl.h (replace_insns): Declare.
20405 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20407 * expr.c (expand_expr): Cope with COND_EXPRs with one
20408 non-returning branch.
20410 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20412 * expr.c (store_expr): Always pass down the target, even when not
20415 1999-08-24 Nick Clifton <nickc@cygnus.com>
20417 * configure.in: Define target_cpu_default for v850 targets.
20418 * configure: Regenerate
20420 * config/v850/v850.h (TARGET_CPU_generic): Define.
20421 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20422 addresses are 4 byte aligned.
20424 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20427 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20429 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20430 (main): Add prototypes.
20432 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20433 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20434 (write_attr_get): Emit prototypes along with function definition.
20435 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20436 (write_complex_function): Emit static prototype along with
20437 function definition.
20439 * genemit.c (gen_split): Emit prototypes along with function
20442 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20443 Likewise for predicates and `insn_operand_predicate'.
20444 (process_template): Emit static prototype along with function
20447 * genrecog.c (make_insn_sequence): Constify a char*. Add
20448 prototypes for get_split_*().
20449 (write_subroutine): Emit prototypes along with function
20452 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20454 * gcse.c (find_avail_set): Follow chains of register-register copies.
20455 Use oprs_not_set_p to guarantee that the returned value can be
20457 (cprop_insn): Don't verify the return value of find_avail_set with
20460 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20461 (cprop_cc0_jump): New function.
20462 (cprop_insn): Break out new function cprop_jump and use it.
20463 Also use cprop_cc0_jump for machines with CC0.
20464 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20466 * tree.h (current_function_calls_setjmp,
20467 current_function_calls_longjmp): Delete declarations.
20468 * dsp16xx.c: Include "function.h".
20469 * elxsi.c: Likewise.
20470 * gmicro.c: Likewise.
20471 * h8300.c: Likewise.
20472 * i370.c: Likewise.
20473 * m32r.c: Likewise.
20474 * mn10200.c: Likewise.
20475 * mn10300.c: Likewise.
20476 * ns32k.c: Likewise.
20477 * spur.c: Likewise.
20478 * v850.c: Likewise.
20480 * rtl.h (rtx_equal_function_value_matters): Declare.
20481 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20483 * function.c: Likewise.
20484 * emit-rtl.c: Likewise.
20486 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20488 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20491 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20493 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20496 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20498 * cpp.texi: Add a node documenting macro varargs (copied
20501 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20503 * cppspec.c: Put a null pointer at the end of the new argv.
20505 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20507 * configure.in: Remove code to select/de-select the haifa
20508 scheduler. Every scheduled port gets haifa now.
20509 * configure: Rebuilt.
20510 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20512 * Makefile.in: Corresponding changes.
20514 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20516 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20517 All callers changed.
20518 (prepare_float_lib_cmp): Likewise.
20519 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20520 * expr.h (emit_float_lib_cmp): Delete declaration.
20521 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20522 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20523 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20525 (cmptf): Now conditional on TARGET_HARD_QUAD.
20527 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20529 * resource.c (mark_target_live_regs): Use
20530 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20532 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20534 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20536 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20538 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20540 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20542 * rtl.h (rtx_format): Constify a char*.
20544 * rtl.c (rtx_format): Likewise.
20545 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20546 (init_rtl): Use accessor macro, not `rtx_format'.
20548 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20551 * caller-save.c (mark_referenced_regs): Likewise.
20553 * combine.c (subst, make_compound_operation, known_cond,
20554 gen_rtx_combine, update_table_tick, get_last_value_validate,
20555 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20557 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20558 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20559 count_reg_usage): Likewise.
20561 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20564 * final.c (leaf_renumber_regs_insn): Likewise.
20566 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20567 dump_edge_info, count_reg_references): Likewise.
20569 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20570 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20573 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20574 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20575 add_label_notes): Likewise.
20577 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20578 clear_struct_flag, count_sub_rtxs, count_alternatives,
20579 compares_alternatives_p, contained_in_p, walk_attr_value,
20580 write_expr_attr_cache): Likewise.
20582 * genconfig.c (walk_insn_part): Likewise.
20584 * genemit.c (max_operand_1, gen_exp): Likewise.
20586 * genextract.c (walk_rtx): Likewise.
20588 * genflags.c (num_operands): Likewise.
20590 * genoutput.c (scan_operands): Likewise.
20592 * genpeep.c (match_rtx): Likewise.
20594 * genrecog.c (add_to_sequence): Likewise.
20596 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20599 * integrate.c (save_constants, copy_for_inline,
20600 copy_rtx_and_substitute, subst_constants, restore_constants):
20603 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20604 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20606 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20609 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20610 add_label_notes, replace_call_address, count_nonfixed_reads,
20611 invariant_p, find_single_use_in_loop, find_mem_givs,
20612 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20615 * print-rtl.c (reg_names, print_rtx): Likewise.
20617 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20619 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20620 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20621 print_blocks): Likewise.
20623 * regclass.c (fix_register, record_address_regs,
20624 reg_scan_mark_refs): Likewise.
20626 * regmove.c (stable_but_for_p): Likewise.
20628 * reload.c (loc_mentioned_in_p, operands_match_p,
20629 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20630 copy_replacements, refers_to_regno_for_reload_p,
20631 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20632 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20635 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20636 delete_address_reloads_1, count_occurrences,
20637 reload_cse_mem_conflict_p, reload_combine_note_use,
20638 add_auto_inc_notes): Likewise.
20640 * resource.c (mark_referenced_resources, mark_set_resources):
20643 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20644 reg_mentioned_p, regs_set_between_p, modified_between_p,
20645 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20646 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20647 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20648 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20650 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20652 * stupid.c (stupid_mark_refs): Likewise.
20654 * unroll.c (remap_split_bivs): Likewise.
20656 * varasm.c (mark_constants): Likewise.
20658 * a29k/a29k.c (uses_local_reg_p): Likewise.
20660 * alpha/alpha.c (summarize_insn): Likewise.
20662 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20663 eliminate_lr2ip): Likewise.
20665 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20667 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20668 reg_mentioned_in_mem): Likewise.
20670 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20671 symbolic_reference_mentioned_p): Likewise.
20673 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20675 * sh/sh.c (regs_used, mark_use): Likewise.
20677 * vax/vax.c (vax_rtx_cost): Likewise.
20679 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20681 * machmode.h (mode_name): Constify a char*.
20683 * rtl.c (mode_name): Likewise.
20685 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20687 * optabs.c (init_libfuncs): Constify a char*.
20689 * print-tree.c (mode_name): Remove redundant declaration.
20690 (print_node): Use accessor macro, not `mode_name'.
20692 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20694 (new_spill_reg): Constify a char*.
20696 * tree.c (mode_name): Remove redundant declaration.
20698 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20700 * rtl.c (rtx_name): Constify a char*.
20702 * rtl.h (rtx_name, fix_sched_param): Likewise.
20704 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20705 (mypr): Use accessor macro, not `rtx_name'.
20707 * genemit.c (print_code): Constify a char*.
20709 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20711 * genpeep.c (print_code): Constify a char*.
20713 * genrecog.c (print_code): Likewise.
20715 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20716 end_bb): Add static prototype.
20717 (draw_edge): Constify a char*.
20718 (end_bb): Remove unused parameter.
20720 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20721 print_block_visualization): Constify a char*.
20723 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20725 * c-common.c (c_get_alias_set): Update comment.
20727 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20729 * linux.h (LIB_SPEC): Added.
20731 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20733 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20735 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20737 * tree.c (expr_check): Fix typo in last change.
20739 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20741 * rtl.def (NOTE): Change format to "iuu0n".
20742 (ADDR_DIFF_VEC): Change format to "eEee0".
20743 (ADDRESSOF): Change format to "eit".
20745 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20746 (RTVEC_ELT): Change to match.
20747 (XVECEXP): Use XVEC and RTVEC_ELT.
20748 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20749 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20750 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20751 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20752 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20753 (INTVAL): Use XWINT.
20754 (ADDRESSOF_DECL): Use XTREE.
20755 (SET_ADDRESSOF_DECL): Delete.
20756 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20757 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20758 ifdefed out since 2.6 at least.
20759 (gen_rtvec_vv): Delete prototype.
20761 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20763 (copy_most_rtx): Handle 't' format letter.
20764 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20765 (gen_rtvec_vv): Delete function. All callers changed to use
20766 gen_rtvec_v instead.
20767 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20768 the '0' format letter.
20770 * function.c (gen_mem_addressof): Don't use
20771 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20773 * integrate.c (copy_rtx_and_substitute): Likewise.
20774 Copy 't' slots with XTREE.
20775 (subst_constants): Treat 't' slots like '[swi]' slots.
20776 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20777 * jump.c (rtx_equal_for_thread_p): Likewise.
20778 * rtlanal.c (rtx_equal_p): Likewise.
20779 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20780 only four arguments.
20781 * gengenrtl.c (type_from_format): Provide correct types for
20785 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20786 If a recent gcc is in use (always in stage2 and beyond), use
20787 statement expressions, so we don't make a function call unless
20788 the check fails. Evaluate arguments exactly once.
20789 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20790 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20792 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20793 they evaluate their arguments exactly once, irrespective of
20794 the compiler in use.
20796 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20797 is used by the currently-enabled check macros. This is:
20798 (tree_check_failed, tree_class_check_failed): For gcc.
20799 (tree_check, tree_class_check, cst_or_constructor_check,
20800 expr_check): For other compilers.
20802 * gencheck.c: Do not define any *_CHECK1 macros.
20804 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20805 Mark Mitchell <mark@codesourcery.com>
20807 * c-common.c (c_get_alias_set): Fix support for poitners and
20810 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20812 * alias.c: Include tree.h.
20813 (nonlocal_reference_p, mark_constant_function): New functions.
20814 * flow.c (life_analysis): Call mark_constant_function.
20815 * rtl.h (mark_constant_function): Declare it.
20817 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20819 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20820 unrecognisable switches.
20822 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20824 * loop.c (recombine_givs): Set ix field after sorting.
20825 (recombine_givs): Remove bogus index / giv lockstep looping.
20827 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20829 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20831 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20832 (do_cmp_and_jump): Formatting fixes.
20833 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20834 do_compare_rtx_and_jump instead of compare_from_rtx.
20835 (do_compare_rtx_and_jump): New function; mostly copied from
20837 (do_jump_for_compare): Delete.
20838 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20840 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20841 of compare/do_jump_for_compare pairs.
20842 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20843 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20844 compare_from_rtx/do_jump_for_compare pairs.
20845 (do_jump_by_parts_equality): Likewise.
20846 (do_jump_by_parts_equality_rtx): Likewise.
20847 * expr.h (do_compare_rtx_and_jump): Declare.
20848 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20849 that used to be in emit_cmp_insn.
20850 (cmp_available_p): New function.
20851 (prepare_operand): New function.
20852 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20853 to be in emit_cmp_insn.
20854 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20855 parameters to be pointers; don't emit final compare but modify some of
20856 the values pointed to by the args so the caller can perform the
20857 correct comparison.
20858 (expand_binop): Call emit_store_flag_force with signed forms of
20860 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20861 emit_jump_insn pair.
20862 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20863 emit_cmp_and_jump_insn_1. Call emit_queue.
20864 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20866 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20867 jump sets cc0 before deleting it.
20868 * integrate.c (expand_inline_function): Likewise.
20869 * unroll.c (unroll_loop): Similar changes in several places.
20870 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
20871 before deleting it.
20873 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20875 * Makefile.in (insn-recog.o): Update dependencies.
20876 * genrecog.c (main): Make generated file include "function.h".
20878 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
20880 * cse.c (cse_insn): Call never_reached_warning when a jump is
20881 changed to be unconditional.
20882 * flags.h: Declare warn_notreached.
20883 * flow.c (delete_block): Call never_reached_warning when
20884 a block is deleted.
20885 * jump.c (delete_barrier_successors): Call never_reached_warning
20886 when we delete everything after a BARRIER.
20887 (never_reached_warning): New function.
20888 * rtl.h: Declare never_reached_warning.
20889 * toplev.c (warn_notreached): New variable.
20890 (lang_independent_options): Set warn_notreached
20891 when -Wunreachable-code.
20892 (compile_file): We need line numbers for -Wunreachable-code.
20894 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
20896 * haifa-sched.c (insn_unit): Fix typo on out of range test.
20897 * sched.c (insn_unit): Likewise.
20899 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
20901 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
20903 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20905 * flow.c (create_edge_list): Use xmalloc, not malloc.
20907 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
20909 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
20910 C-style comments. Do not lose the character before double slash.
20912 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20914 * basic-block.h (struct edge_list): Stucture to maintain a vector
20916 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
20917 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
20918 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
20919 New function prototypes.
20920 * flow.c (create_edge_list): Function to create an edge list.
20921 (free_edge_list): Discards memory used by an edge list.
20922 (print_edge_list): Debug output showing an edge list.
20923 (verify_edge_list): Internal consistency check for an edge list.
20924 (find_edge_index): Function to find an edge index for a pred and succ.
20926 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
20928 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
20931 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
20933 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
20935 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20937 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20939 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
20941 * toplev.c (rest_of_compilation): Allow machine dependent
20942 reorganisation pass to place information into the RTL dump
20943 file if it so wishes.
20945 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
20947 * explow.c (hard_function_value): Use VOIDmode instead of
20949 * stmt.c (expand_return): Likewise.
20950 * stor-layout.c (get_best_mode): Likewise.
20952 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
20953 emit call instead of emit_insn call.
20955 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20957 * configure.in: Handle --disable/enable-win32-registry.
20958 * install.texi: Document --disable/enable-win32-registry.
20959 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
20960 (WIN32_REGISTRY_KEY): New macro.
20961 * prefix.c: Use to enable/disable win32-specific code.
20962 (lookup_key): Use versioned key.
20963 * configure: Regenerate.
20964 * config.in: Likewise.
20966 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
20968 * cpplib.c (read_line_number): New fn, split out of...
20971 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20973 tree.c (lang_unsave_expr_now) : New.
20974 (unsave_expr_now): Call lang_unsave_expr_now.
20975 tree.h (lang_unsave_expr_now) : New.
20977 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
20979 * toplev.c (flag_new_exceptions): On by default.
20981 1999-08-13 Michael Meissner <meissner@cygnus.com>
20983 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
20985 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20987 * dwarfout.c (fundamental_type_code): Return FT_boolean for
20988 INTEGER_TYPE with precision==1, it's __java_boolean.
20990 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20992 * global.c (prune_preferences): Move some invariants out of the
20995 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
20997 * configure.in (alpha*-dec-osf*): Add osf5.
20999 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21001 * configure.in: Rework handling of ARM GNU/Linux slightly.
21002 (arm*-*-linux-gnuoldld): New target.
21003 * configure: Regenerate.
21004 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21005 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21006 * config/arm/linux-oldld.h: New file.
21007 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21008 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21010 * config/arm/linux-elf.h (ASM_SPEC): Define.
21011 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21012 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21013 for 26-bit APCS and old linker.
21014 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21016 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21017 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21018 don't define `arm' or `arm_elf'.
21019 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21020 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21022 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21024 * rtl.texi: Fix typo.
21026 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21028 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21030 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21032 * extend.texi (C++ Signatures): Remove node.
21033 * invoke.texi: Remove discussion of -fhandle-signatures,
21034 signature, sigof, __signature__, and __sigof__.
21036 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21038 * Makefile.in (JAVAGC): Removed.
21040 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21042 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21044 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21046 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21048 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21050 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21051 a register that is already known to be a pointer.
21053 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21055 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21056 * fixinc/inclhack.sh: Regenerated.
21057 * fixinc/fixincl.sh: Regenerated.
21059 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21061 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21062 Fix documentation of -ansi flag to describe its C++ behavior.
21063 Remove bogus reference to GCC 2.9.
21065 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21067 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21068 note if it is non-NULL.
21070 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21072 * except.h (eh_nesting_info): Add new structure defintion.
21073 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21074 (reachable_handlers, update_rethrow_references): Add function
21076 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21077 a rethrow symbol instead of an integer exception region number.
21078 * flow.c (Make_edges): Use new exception nesting routines to determine
21079 which handlers are reachable from a CALL or asynchronous insn.
21080 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21082 (delete_eh_regions): Update rethrow labels, and don't delete
21083 regions which are the target of a rethrow.
21084 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21085 avoid overloading the SYMBOL_REF_USED flag.
21086 (rethrow_symbol_map): Use new rethrow_ref field.
21087 (rethrow_used): Use new rethrow_ref field.
21088 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21089 of an integer. Fix formatting.
21090 (output_exception_table_entry): Use new rethrow_ref field.
21091 (can_throw): Check for EH_REGION_NOTE before deciding
21092 whether a CALL can throw or not.
21093 (scan_region): Call rethrow_used() instead of accessing data structure.
21094 (update_rethrow_references): New function to make sure only regions
21095 which are still targets of a rethrow are flagged as such.
21096 (process_nestinfo): New static function to initialize a handler
21097 list for a specific region.
21098 (init_eh_nesting_info): New function to allocate and initialize
21099 the list of all EH handlers reachable from all regions.
21100 (reachable_handlers): New function to retrieve the list of handlers
21101 reachable from a specific region and insn.
21102 (free_eh_nesting_info): New function to dispose of a list of
21103 reachable handlers.
21105 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21107 * flow.c (split_edge): Set JUMP_LABEL field.
21108 (commit_one_edge_insertion): Set head correctly for insert_before.
21109 When inserting insns, update insn block numbers if allocated.
21111 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21113 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21114 retry_incomplete_types): Add static prototype.
21115 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21116 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21117 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21118 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21119 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21122 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21123 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21125 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21127 * output.h (assemble_name): Constify a char*.
21129 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21130 assemble_variable, assemble_name): Likewise.
21132 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21134 * arm/pe.c (arm_pe_unique_section): Likewise.
21136 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21138 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21140 * i386/interix.c (i386_pe_unique_section): Likewise.
21142 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21144 * i386/winnt.c (i386_pe_unique_section): Likewise.
21146 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21148 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21150 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21152 * pa/pa.c (output_call): Likewise.
21154 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21156 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21158 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21161 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21164 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21166 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21167 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21169 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21171 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21173 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21175 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21177 * tree.h (lang_identify): Constify a char*.
21178 (print_error_function): Add extern prototype. Constify a char*.
21180 * c-lang.c (lang_identify): Constify a char*.
21182 * objc/objc-act.c (lang_identify): Constify a char*.
21184 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21186 * genpeep.c (main): Make generated file include "function.h".
21187 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21189 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21191 * Makefile.in: Update dependencies.
21192 * alias.c: Include "function.h"
21193 * c-decl.c: Likewise.
21194 * caller-save.c: Likewise.
21195 * calls.c: Likewise.
21196 * combine.c: Likewise.
21198 * explow.c: Likewise.
21199 * final.c: Likewise.
21200 * global.c: Likewise.
21201 * graph.c: Likewise.
21202 * local-alloc.c: Likewise.
21203 * loop.c: Likewise.
21204 * optabs.c: Likewise.
21205 * profile.c: Likewise.
21206 * recog.c: Likewise.
21207 * regclass.c: Likewise.
21208 * regmove.c: Likewise.
21209 * reload.c: Likewise.
21210 * reorg.c: Likewise.
21211 * resource.c: Likewise.
21212 * sched.c: Likewise.
21213 * stupid.c: Likewise.
21214 * config/1750a/1750a.c: Likewise.
21215 * config/a29k/a29k.c: Likewise.
21216 * config/arc/arc.c: Likewise.
21217 * config/arm/arm.c: Likewise.
21218 * config/arm/thumb.c: Likewise.
21219 * config/c4x/c4x.c: Likewise.
21220 * config/clipper/clipper.c: Likewise.
21221 * config/convex/convex.c: Likewise.
21222 * config/fx80/fx80.c: Likewise.
21223 * config/i860/i860.c: Likewise.
21224 * config/m68k/m68k.c: Likewise.
21225 * config/m88k/m88k.c: Likewise.
21226 * config/mips/mips.c: Likewise.
21227 * config/pdp11/pdp11.c: Likewise.
21228 * config/pyr/pyr.c: Likewise.
21229 * config/romp/romp.c: Likewise.
21230 * config/sh/sh.c: Likewise.
21231 * config/tahoe/tahoe.c: Likewise.
21232 * config/vax/vax.c: Likewise.
21233 * config/we32k/we32k.c: Likewise.
21234 * config/sparc/sparc.c: Include "function.h".
21235 (mem_min_alignment): Test current_function rather than
21236 regno_pointer_align.
21237 * config/pa/pa.c: Likewise.
21238 (compute_frame_size): Delete declaration of
21239 current_function_outgoing_args_size.
21240 * config/arc/arc.h (current_function_varargs): Delete declaration.
21241 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21243 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21245 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21246 current_function_uses_pic_offset_table.
21247 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21248 of current_function_returns_pointer.
21249 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21250 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21251 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21252 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21253 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21254 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21255 * config/m88k/m88k.c: Include "function.h"
21256 (call_used_regs, current_function_pretend_args_size,
21257 current_function_outgoing_args_size, frame_pointer_needed): Delete
21259 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21261 * config/mips/mips.h (current_function_calls_alloca): Delete
21263 * config/mn10200/mn10200.h (current_function_needs_context,
21264 rtx_equal_function_value_matters): Delete declarations.
21265 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21266 flag_pic): Delete declarations.
21267 * config/pa/pa.h (current_function_pretend_args_size,
21268 current_function_decl): Delete declarations.
21269 * config/pa/som.h (current_function_varargs): Delete declaration.
21270 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21272 * config/pyr/pyr.h (current_function_pretend_args_size,
21273 current_function_args_size, current_function_calls_alloca): Delete
21275 * config/sh/sh.h (current_function_varargs): Delete declaration.
21276 * config/sparc/sparc.h (current_function_outgoing_args_size,
21277 current_function_calls_alloca, current_function_decl): Delete
21279 * config/spur/spur.h (current_function_pretend_args_size,
21280 current_function_calls_alloca): Delete declarations.
21281 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21283 * config/vax/vms.h (current_function_name): Delete declaration.
21284 * gcse.c: Include "function.h".
21285 (current_function_name, current_function_calls_setjmp): Delete
21287 * haifa-sched.c: Include "function.h".
21288 (forced_labels): Delete declaration.
21289 * jump.c: Likewise.
21290 * reg-stack.c: Likewise.
21291 * reload1.c: Likewise.
21292 * genemit.c (main): Make generated file include function.h.
21293 * genoutput.c (output_prologue): Likewise.
21295 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21296 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21297 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21298 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21299 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21300 macros for some of them.
21301 (emit_filename, emit_lineno): Delete declarations.
21302 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21303 regno_pointer_* variables through current_function.
21304 (gen_inline_header_rtx): Delete function.
21305 (save_emit_status): Delete function.
21306 (set_new_last_label_num): New function.
21307 (clear_emit_caches): New function.
21308 (restore_emit_status): Just clear last_labelnum and call
21310 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21311 through macro seq_stack.
21312 (add_insn_after): Likewise.
21313 (add_insn_before): Likewise.
21314 (remove_insn): Likewise.
21315 (pop_topmost_sequence): Likewise.
21316 (in_sequence_p): Likewise.
21317 (start_sequence_for_rtl_expr): Likewise.
21318 (start_sequence): Likewise, and likewise for
21319 sequence_rtl_expr/seq_rtl_expr.
21320 (push_topmost_sequence): Likewise.
21321 (end_sequence): Likewise.
21322 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21323 All callers changed. Store into that pointer instead of globals.
21324 (init_emit): Allocate emit elt of current_function.
21325 Changes for sequence_rtl_expr/sequence_stack renaming.
21326 Call clear_emit_caches instead of doing it in-line.
21327 Access regno_pointer_* variables through current_function.
21328 (init_emit_once) Don't clear sequence_stack.
21330 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21332 (arg_pointer_save_area): Delete declaration.
21333 (finish_expr_for_function): Renamed from init_queue; no longer static.
21334 (init_expr): Don't call init_queue.
21335 (save_expr_status, restore_expr_status): Delete functions.
21336 (expand_expr): Changes to reflect new layout of struct function.
21337 Don't access current_function_check_memory_usage when current_function
21339 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21340 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21341 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21342 current_function_uses_const_pool, function_call_count,
21343 current_function_uses_pic_offset_table, nonlocal_labels,
21344 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21345 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21346 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21348 (finish_expr_for_function): Declare.
21349 * flags.h (current_function_has_nonlocal_label,
21350 current_function_has_nonlocal_goto, current_function_is_thunk,
21351 current_function_has_computed_jump): Delete declarations.
21352 * flow.c (forced_labels): Delete declaration.
21353 * function.c (current_function_pops_args,
21354 current_function_returns_struct, current_function_returns_pcc_struct,
21355 current_function_needs_context, current_function_calls_setjmp,
21356 current_function_calls_longjmp, current_function_has_nonlocal_label,
21357 current_function_has_nonlocal_goto, current_function_is_thunk,
21358 current_function_has_computed_jump, current_function_calls_alloca,
21359 current_function_contains_functions, current_function_returns_pointer,
21360 current_function_epilogue_delay_list, current_function_args_size,
21361 current_function_pretend_args_size, current_function_arg_offset_rtx,
21362 current_function_outgoing_args_size, current_function_varargs,
21363 current_function_stdarg, current_function_args_info, cleanup_label,
21364 current_function_name, current_function_uses_const_pool,
21365 current_function_instrument_entry_exit, current_function_return_rtx,
21366 current_function_uses_pic_offset_table, nonlocal_labels,
21367 current_function_internal_arg_pointer, current_function_cannot_inline,
21368 current_function_check_memory_usage, function_call_count,
21369 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21370 nonlocal_goto_stack_level, return_label, save_expr_regs,
21371 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21372 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21373 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21374 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21375 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21377 (push_function_context_to): Don't save them. Don't call
21378 save_storage_status, save_emit_status or save_expr_status.
21379 (pop_function_context_from): Don't restore them. Don't call
21380 restore_storage_status or restore_expr_status.
21381 (get_func_frame_size): New function.
21382 (get_frame_size): Use it.
21383 (assign_outer_stack_local): Reflect some member name changes in struct
21385 (put_reg_into_stack): Likewise.
21386 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21388 (fixup_var_refs): Likewise.
21389 (fix_lexical_addr): Likewise.
21390 (trampoline_address): Likewise.
21391 (prepare_function_start): Clear field inlinable of current_function.
21392 (init_function_for_compilation): New function.
21393 (expand_dummy_function_end): New function.
21394 (expand_function_end): Call finish_expr_for_function.
21395 * function.h (struct emit_status): New; fields moved here from struct
21396 function and from global variables. Add accessor macros for some of
21398 (struct expr_status): Likewise.
21399 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21400 (struct function): Add fields expr and emit, inlinable, inl_emit,
21401 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21402 inl_max_label_num. Add many comments.
21403 Add accessor macros for all elts of struct function that no longer
21404 have a global variable.
21405 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21406 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21407 stack_slot_list): Delete declarations.
21408 (get_func_frame_size): Declare.
21409 (save_expr_status, restore_expr_status, save_emit_status,
21410 save_storage_status, restore_storage_status): Delete declarations.
21411 (init_virtual_regs): Declare.
21412 * output.h (current_function_pops_args,
21413 current_function_returns_struct, current_function_returns_pcc_struct,
21414 current_function_needs_context, current_function_calls_setjmp,
21415 current_function_calls_longjmp, current_function_calls_alloca,
21416 current_function_has_nonlocal_label, current_function_varargs,
21417 current_function_has_computed_jump, current_function_returns_pointer,
21418 current_function_contains_functions, current_function_args_size,
21419 current_function_pretend_args_size, current_function_stdarg,
21420 current_function_outgoing_args_size, current_function_args_info,
21421 current_function_name, current_function_return_rtx,
21422 current_function_epilogue_delay_list,
21423 current_function_uses_const_pool, current_function_cannot_inline):
21424 Delete declarations.
21425 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21426 regno_reg_rtx): Delete declaration.
21427 (REGNO_POINTER_FLAG): Delete macro.
21428 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21429 function were renamed.
21430 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21432 * toplev.c: Include "function.h".
21433 (current_function_decl): Delete declaration.
21434 (compile_file): Call init_dummy_function_start and
21435 expand_dummy_function_end around some initializations that need to
21437 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21438 Call init_function_for_compilation.
21439 * unroll.c: Include "function.h"
21440 (unroll_loop): Access regno_pointer_* variables through
21443 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21444 (DECL_SAVED_INSNS): use it.
21445 (expand_dummy_function_end): Declare.
21446 (init_function_for_compilation): Declare.
21447 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21448 that it's no longer an INLINE_HEADER.
21449 (expand_call): Likewise.
21450 * integrate.c (finish_inline): Delete function.
21451 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21452 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21453 args. Don't generate an INLINE_HEADER rtx, just return the arg
21454 vector. All callers changed.
21455 (save_for_inline_copying): Create a duplicate struct emit_status to
21456 hold the emit state for compiling the current function. Use this and
21457 the other new fields in struct function that are for integration
21458 instead of an INLINE_HEADER.
21459 Use memcpy instead of bcopy.
21460 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21461 (save_for_inline_nocopy): Similar changes, except no new emit_status
21463 (expand_inline_function): Get information from function structure,
21464 not from an inline header rtx.
21465 (output_inline_function): Lose code to extract the necessary
21466 information from an inline header; simply put back the function
21467 structure into current_function. Clear its inlinable elt.
21468 * rtl.def (INLINE_HEADER): Delete.
21469 * rtl.h: Delete all accessors for an INLINE_HEADER.
21470 (gen_inline_header_rtx): Delete declaration.
21471 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21472 Delete declarations.
21473 (REGNO_POINTER_ALIGN): Delete.
21474 (clear_emit_caches): Declare.
21475 (set_new_last_label_num): Declare.
21477 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21479 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21481 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21482 * stmt.c (is_eh_region): Make sure current_function is present, too.
21484 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21486 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21487 for 64bit PA targets.
21489 * pa.h (SELECT_SECTION): Define.
21490 * som.h (SELECT_SECTION): Delete.
21492 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21494 * alias.c (init_alias_analysis): Wrap call to
21495 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21497 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21499 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21500 <sys/asm.h> contains an asm comment with an apostrophe
21501 * fixinc/inclhack.sh: regen
21502 * fixinc/fixincl.x: regen
21504 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21506 * function.c (init_function_start): Clear prologue & epilogue.
21507 (prologue_epilogue_contains): New function.
21508 * alias.c (init_alias_analysis): Use it.
21509 * rtl.h (prologue_epilogue_contains): Declare it.
21511 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21513 * jump.c (onlyjump_p): New function.
21514 * rtl.h: Declare it.
21515 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21516 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21518 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21520 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21521 to invert loops. Simplify block scanning.
21523 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21525 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21526 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21528 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21530 * config/sparc/liteelf.h: New file to support sparclite-elf target
21531 * config/sparc/t-sp86x: New file to support sparc86x targets
21532 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21533 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21534 * configure.in: Support above target triplets
21535 * configure: Regenerated
21537 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21539 * fixinc/server.c (server_setup): Do not prefix function used as
21540 parameter with `&'.
21542 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21544 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21545 Remove fp reg alternatives.
21547 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21549 * Makefiin (TAROUTOPTS): Kill.
21550 (install-headers-tar): Use "xpf" for tar headerfile extraction
21551 * i370/x-oe (TAROUTOPTS): Delete.
21552 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21553 * m68k/x-hp320 (TAROUTOPTS): Delete.
21554 * m68k/x-hp320g (TAROUTOPTS): Delete.
21555 * gcc.texi: Update bug reporting text.
21557 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21559 * reg-stack.c (change_stack) Fixed problem with negative array index.
21561 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21563 * extend.texi, install.texi: Fix spelling mistakes.
21565 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21566 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21567 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21568 PREMADE_ATTRTAB_MD.
21569 * mips/t-ecoff: Likewise.
21570 * mips/t-elf: Likewise.
21571 * mips/t-mips: Likewise.
21572 * mips/t-osfrose: Likewise.
21573 * mips/t-r3900: Likewise.
21574 * mips/t-svr3: Likewise.
21575 * mips/t-svr4: Likewise.
21576 * mips/t-ultrix: Likewise.
21578 * gcc.texi: Document recommend means to provide software floating
21579 point libraries in libgcc.a
21581 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21583 * c-lex.c (yylex): We can have a number with no digits.
21585 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21587 * jump.c (delete_prior_computation): New function, broken
21588 out of delete_computation. Check for side effects with
21589 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21590 multi-word hard registers.
21591 (delete_computation): Use it. Check for side effects with
21592 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21593 missing REG_DEAD note for a register which is both set and
21596 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21598 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21599 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21600 (ASM_FILE_START): Import _mcount with the right type.
21601 (ASM_DECLARE_FUNCTION_NAME): Define.
21602 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21603 * pa.c (output_function_prologue): Always emit the function's label
21605 * pa.h (TEXT_SPACE_P): Define.
21606 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21607 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21608 * som.h (TEXT_SPACE_P): Delete.
21609 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21610 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21612 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21614 * expr.c (emit_group_load): Allow src to be a CONCAT.
21616 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21618 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21619 (___mulsi3): Use '!' comment character.
21621 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21623 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21625 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21627 * gcc.c: Update URLs and mail addresses.
21628 * gcc.texi: Likewise.
21630 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21632 * rs6000.c (current_file_function_operand): Return zero for
21634 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21636 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21639 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21641 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21642 allocate space in the stack frame for the PIC register.
21644 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21646 * m68k.md (xordi3, anddi3): These patterns are not available on
21649 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21651 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21652 (PUT_REAL): Likewise.
21654 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21656 * final.c (shorten_branches): Don't add an alignment for loops
21657 that have no label inside.
21659 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21661 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21662 prototypes in macro HAVE_cmpstrsi.
21664 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21666 * emit-rtl.c (operand_subword): Remove unused variable
21669 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21671 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21673 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21675 * cpphash.c (macroexpand): Delete leading whitespace when arg
21676 is concatenated before.
21677 (unsafe_chars): Correct test for whether + and - can extend a
21680 * cppinit.c (cpp_start_read): Do dependencies for
21681 -include/-imacros files also.
21683 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21684 tokenizing non-directive lines.
21685 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21686 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21689 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21691 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21693 * c-lex.c: Sync with C++ frontend.
21694 (linemode): New variable.
21695 (parse_float): imag, conversion_errno, and type are output only.
21696 (yylex): Adjust. Move initial '.' case into main switch.
21698 (handle_generic_pragma): Just deal with tokens.
21699 (readescape): Use ISXDIGIT and ISGRAPH.
21700 * c-parse.in: Add END_OF_LINE token.
21702 * c-lex.c (lang_init): Generalize.
21703 (nextchar): Remove. Replace uses with UNGETC.
21704 (skip_white_space): Handle linemode here. Optimize for cpplib.
21705 (skip_white_space_on_line): Remove.
21706 (extend_token_buffer_to): New fn.
21707 (extend_token_buffer): Use it.
21708 (read_line_number, check_newline): Just deal with tokens.
21709 (token_getch, token_put_back): New fns.
21710 (yylex): Use them. More cpplib optimizations. Simplify.
21712 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21713 Jason Merrill <jason@yorick.cygnus.com>
21715 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21716 (consume_string): Make this smart about USE_CPPLIB.
21717 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21718 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21719 Also, clean up cases where we redundantly set token_buffer[0].
21720 (read_line_number): New fn.
21721 (ignore_escape_flag): New variable.
21723 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21725 * a29k/t-a29kbare: Fix some comments.
21726 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21727 (FPBIT, DPBIT): Define.
21728 * a29k/t-vx29k: Likewise.
21729 * arc/t-arc: Likewise.
21730 * arm/t-arm-elf: Likewise.
21731 * arm/t-bare: Likewise.
21732 * arm/t-pe: Likewise.
21733 * arm/t-pe-thumb: Likewise.
21734 * arm/t-semi: Likewise.
21735 * arm/t-thumb: Likewise.
21736 * arm/t-thumb-elf: Likewise.
21737 * arm/t-thumb-linux: Likewise.
21738 * h8300/t-h8300: Likewise.
21739 * i960/t-i960: Likewise.
21740 * i960/t-vxworks960: Likewise.
21741 * m32r/t-m32r: Likewise.
21742 * mips/t-ecoff: Likewise.
21743 * mips/t-elf: Likewise.
21744 * mips/t-r3900: Likewise.
21745 * pa/t-pro: Likewise.
21746 * rs6000/t-aix43: Likewise.
21747 * rs6000/t-beos: Likewise.
21748 * rs6000/t-newas: Likewise.
21749 * rs6000/t-ppccomm: Likewise.
21750 * rs6000/t-rs6000: Likewise.
21751 * rs6000/t-winnt: Likewise.
21752 * rs6000/t-xnewas: Likewise.
21753 * rs6000/t-xrs6000: Likewise.
21754 * sh/t-sh: Likewise.
21755 * sparc/t-elf: Likewise.
21756 * sparc/t-sparcbare: Likewise.
21757 * sparc/t-sparclite: Likewise.
21758 * sparc/t-splet: Likewise.
21759 * v850/t-v850: Likewise.
21760 * mn10200/t-mn10200: Fix comments.
21761 * mn10300/t-mn10300: Likewise.
21763 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21764 dummy operand. Allocate a new pseudo for the dummy operand.
21765 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21767 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21769 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21771 * configure: Rebuilt.
21772 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21774 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21776 * recog.c (preproces_constraints): Zero recog_op_alt before
21777 processing the constraints.
21779 * arm.c (typedef minipool_node): Renamed from pool_node.
21780 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21781 (add_minipool_constant): New function.
21782 (dump_minipool): New function.
21783 (find_barrier): Remove special case for getting the insn size of
21784 an insn that references the constant pool.
21785 (minipool_fixup): New structure.
21786 (push_minipool_barrier): New function.
21787 (push_minipool_fix): New function.
21788 (note_invalid_constants): New function.
21789 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21790 (arm_reorg): Rewrite code to fix up the constant pool into a
21791 series of mini-pools embedded in the insn stream.
21792 (arm_output_epilogue): New function, made mainly from the body
21793 of output_func_epilogue.
21794 (output_func_epilogue): Move insn generation part of epilogue code
21795 to arm_output_epilogue.
21796 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21797 * arm.md (pool_range): New attribute.
21798 (zero_extendqidi2): Add attribute pool_range.
21799 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21800 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21801 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21802 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21803 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21804 (epilogue): New expand.
21805 (epilogue_insn): New insn. Call arm_output_epilogue.
21807 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21808 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21810 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21812 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21814 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21816 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21818 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21820 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21822 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21824 * global.c: Fix comment.
21826 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21828 * gcc.c (access_check): New static function.
21829 (find_a_file): Use it when searching a directory list.
21830 * collect2.c (find_a_file): Don't accept directories found when
21831 searching a directory list.
21833 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21835 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21836 function parameters with `&'.
21837 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21839 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21841 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21842 or tidy_fallthru_edge if the last insn in the block is not
21843 an unconditional jump or a simple conditional jump.
21845 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21847 * Makefile.in (c-decl.o): Depends on defaults.h.
21849 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21851 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21853 (CLASS_MAX_NREGS): Likewise.
21855 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21857 * cse.c (cse_insn): Fix dumb thinko in last change.
21859 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21861 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21864 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21866 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21867 test for sizes of passed and declared parameter types.
21869 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21871 * fixincludes: Fix the return type of bsearch, char* -> void*.
21873 * fixinc/inclhack.def: Likewise.
21875 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
21877 * invoke.texi (-fdump-translation-unit): New option.
21879 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
21881 * expr.h (PROMOTE_PROTOTYPES): Move ...
21882 * defaults.h: ... to here.
21883 * c-decl.c: Include defaults.h instead of expr.h.
21884 * c-typeck.c: Include defaults.h.
21886 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
21888 * toplev.h (errorcount): Declare.
21889 (warningcount): Likewise.
21890 (sorrycount): Likewise.
21891 * c-lex.c (errorcount): Don't declare.
21892 * dwarf2out.c (errorcount): Don't declare.
21894 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
21896 * config/libgloss.h: Add a note discouraging use with ELF.
21897 * configure.in: Don't use libgloss.h for ELF targets.
21898 Always use_collect2 on a.out targets.
21900 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
21902 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
21903 (force_to_mode, case ASHIFTRT): Add shiftrt label.
21905 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21907 * loop.c (strength_reduce): When doing biv->giv conversion, update
21908 reg note of NEXT->insn.
21910 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21912 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
21914 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21916 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
21917 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
21918 Ensure expr.h is included.
21919 * c-typecheck.c (convert_arguments): Ditto.
21921 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
21923 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
21924 * config/convex/convex.h: Ditto.
21925 * config/dsp16xx/dsp16xx.h: Ditto.
21926 * config/fx80/fx80.h: Ditto.
21927 * config/gmicro/gmicro.h: Ditto.
21928 * config/i370/i370.h: Ditto.
21929 * config/i386/i386.h: Ditto.
21930 * config/m32r/m32r.h: Ditto.
21931 * config/m68k/m68k.h: Ditto.
21932 * config/m88k/m88k.h: Ditto.
21933 * config/mips/mips.h: Ditto.
21934 * config/pa/pa.h: Ditto.
21935 * config/pyr/pyr.h: Ditto.
21936 * config/tahoe/tahoe.h: Ditto.
21937 * config/we32k/we32k.h: Ditto.
21939 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
21940 based on arch size.
21942 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
21944 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
21947 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
21949 1999-08-02 Richard Henderson <rth@cygnus.com>
21951 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
21952 for the register spill block.
21953 (m32r_va_arg): New.
21954 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
21955 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
21957 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
21958 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
21959 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
21961 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21963 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
21964 MAX_WCHAR_TYPE defined in sparc.h.
21965 * config/sparc/linuxaout.h: Likewise.
21966 * config/sparc/linux64.h: Likewise.
21967 Also default to -mvis if CPU is UltraSPARC.
21969 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21971 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
21972 (RTX_OK_FOR_OLO10): Likewise.
21973 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
21974 %lo(), allow it in addresses...
21975 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
21976 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
21977 does not make sense.
21978 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
21979 (sparc_output_scratch_registers): New function.
21980 (output_function_prologue, sparc_flat_output_function_prologue): Use
21982 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
21984 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
21985 * configure.in: Add check for .register pseudo-op support in as and
21986 check for offsetable %lo().
21987 * acconfig.h: Add templates for the above checks.
21988 * configure: Regenerate.
21990 1999-08-02 Richard Henderson <rth@cygnus.com>
21992 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
21993 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
21994 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
21996 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21998 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22001 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22003 * config/float-sparc.h: New file.
22004 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22005 sparc-*-linux-gnu and sparc64-*-linux*.
22007 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22009 * rs6000.c (rs6000_va_list): Type is an array.
22010 (rs6000_va_start): Don't doubly adjust for varargs.
22011 (rs6000_va_arg): Evaluate long long GPR adjustment.
22013 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22015 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22016 -maix64 and -maix32.
22017 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22018 LINK_SPEC): Change appropriately.
22019 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22020 (u_short_cint_operand): Likewise.
22021 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22023 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22025 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22027 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22029 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22030 for type promotion.
22031 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22032 (non_add_cint_operand): Likewise.
22033 (logical_operand): Likewise.
22034 (non_logical_cint_operand): Likewise.
22035 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22036 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22037 (rs6000_select_rtx_section): Suppress warning.
22038 (small_data_operand): Suppress warning.
22039 (rs6000_got_register): Suppress warning.
22040 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22041 type, so `J' is generally the wrong constraint for a SImode value;
22043 (andsi3_internal2): Likewise.
22044 (andsi3_internal3): Likewise.
22045 (iorsi3_internal1): Likewise.
22046 (xorsi3_internal1): Likewise.
22048 (movsf_softfloat): Likewise.
22049 (scc insns): Likewise.
22050 (movsi+2): Preserve sign bits of SImode constant.
22051 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22052 (movdf+1): Sign-extend properly.
22053 (movdi_32+1): Sign-extend properly.
22054 (scc insns): Sign-extend properly.
22056 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22059 1999-08-02 Richard Henderson <rth@cygnus.com>
22061 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22062 -mcpu parsing code.
22063 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22064 * alpha.md (all fp insns): Likewise.
22066 1999-08-02 Nick Clifton <nickc@cygnus.com>
22068 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22071 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22073 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22074 pic_load_label generator directly.
22075 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22076 No longer a named pattern.
22078 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22080 * explow.c (force_reg): Call force_operand if X does not
22081 satisfy general_operand.
22083 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22085 * fix-header.c (main): When testing for CONTINUED, use string
22086 equality, not pointer equality.
22088 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22090 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22092 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22094 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22095 that has become an unconditional jump.
22097 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22098 (output_function_epilogue): Similarly.
22100 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22102 * tree.h (init_dummy_function_start): Declare.
22104 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22106 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22107 last_expr_type, last_expr_value, block_start_count, block_stack,
22108 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22109 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22110 dynamically in stmt elt of struct function for each function.
22111 (struct nesting): Rename function_call_count elt to n_function_calls,
22112 target_temp_slot_level to block_target_temp_slot_level. All users
22114 (struct stmt_status): New structure definition.
22115 Add many accessor macros for stmt_status elements which previously
22116 were global variables.
22117 (init_stmt_for_function): Allocate stmt elt for current_function.
22118 Reflect that block_start_count was renamed to
22119 current_block_start_count.
22120 (save_stmt_status, restore_stmt_status): Delete functions.
22121 (preserve_subexpressions_p): Don't access loop_stack when outside
22123 (expand_start_bindings): Reflect that block_start_count was renamed to
22124 current_block_start_count.
22125 (expand_fixup): Likewise.
22126 (expand_decl): Don't access block_stack when outside a function.
22127 (expand_decl_cleanup): Likewise.
22128 (expand_dcc_cleanup): Likewise.
22129 (expand_dhc_cleanup): Likewise.
22130 (expand_anon_union_decl): Likewise.
22131 (set_file_and_line_for_stmt): New function.
22132 (in_control_zone_p): New function.
22134 * function.h (struct function): Add new elt stmt.
22135 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22136 case_stack, nesting_stack, nesting_depth, block_start_count,
22137 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22138 emit_lineno, goto_fixup_chain.
22139 (save_eh_status, restore_eh_status, save_stmt_status,
22140 restore_stmt_status): Delete declarations.
22141 * function.c (push_function_context_to): Don't call save_stmt_status.
22142 (pop_function_context_to): Don't call restore_stmt_status.
22143 * tree.h (in_control_zone_p): Declare.
22144 * rtl.h (set_file_and_line_for_stmt): Declare.
22146 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22147 call set_file_and_line_for_stmt.
22149 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22151 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22152 Also update copyright.
22154 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22156 * c-pragma.c: Don't include "except.h".
22157 * emit-rtl.c: Likewise.
22158 * stor-layout.c: Likewise.
22159 * tree.c: Likewise.
22160 * varasm.c: Likewise.
22162 * flow.c: Include "function.h".
22163 * tree.h (init_dummy_function_start): Declare new function.
22165 * except.h (struct eh_status): New structure.
22166 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22168 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22169 catch_clauses, false_label_stack, caught_return_label_stack,
22170 protect_list, current_function_ehc): Add accessor macros for the
22171 corresponding fields in current_function->eh; delete declarations
22172 for all items that used to be declared here.
22173 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22174 catch_clauses, false_label_stack, caught_return_label_stack,
22175 protect_list, current_function_ehc): Delete variables.
22176 (init_eh_for_function): Allocate current_function->eh.
22177 (save_eh_status, restore_eh_status): Delete functions.
22179 * function.h (struct function): Add fields next_global and eh.
22180 Delete all exception handling related fields.
22181 * function.c (current_function): New variable.
22182 (all_functions): New variable.
22183 (push_function_context_to): Don't allocate a struct function,
22184 use current_function instead. Call init_dummy_function_start when
22185 outside a function. Clear current_function before returning.
22186 (pop_function_context_from): Restore current_function.
22187 Don't free the restored struct function.
22188 (prepare_function_start): New function.
22189 (init_dummy_function_start): New function.
22190 (init_function_start): Break out some code into prepare_function_start
22193 * stmt.c (save_stmt_status): Don't call save_eh_status.
22194 (restore_stmt_status): Don't call restore_eh_status.
22196 * Makefile.in: Update dependencies.
22198 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22200 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22201 of depending on a magic constant value. Update comments.
22202 (hppa_expand_prologue): Similarly.
22204 * pa.md (reload_indi, reload_outdi): Allow any register for the
22205 original reload register.
22207 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22209 * cccp.c (print_help): Change marcos to macros.
22211 1999-07-30 Richard Henderson <rth@cygnus.com>
22213 * c-typeck.c (initializer_constant_valid_p): Move ...
22214 * c-common.c (initializer_constant_valid_p): ... here. Use
22215 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22216 of label addresses.
22217 * c-common.h (initializer_constant_valid_p): Declare.
22218 * c-tree.h (initializer_constant_valid_p): Remove.
22220 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22222 * config/i386/sol2-c1.asm: Align the stack.
22223 * config/i386/sol2-gc1.asm: Likewise.
22225 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22227 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22228 -Asparclite for sparc86x.
22229 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22231 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22233 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22235 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22236 the user if using the non-default arch size in BI_ARCH configuration.
22237 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22239 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22240 Fix patterns so that they actually match.
22241 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22242 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22243 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22245 (mulsidi3): Reflect this in the expand.
22246 (smulsi3_highpart): Only on TARGET_ARCH32.
22247 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22248 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22249 (umulsidi3): Reflect this in the expand.
22250 (umulsi3_highpart): Only on TARGET_ARCH32.
22251 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22252 don't require g0 to be zero.
22253 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22254 ({,u}divsi3): New expands.
22255 ({,u}divsi3_sp64): New patterns.
22256 (after lshrdi3_v8plus): Four new patterns to help combiner
22257 optimizing nested mixed mode shifts.
22259 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22260 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22261 speed things up. Don't use them by default on plain v9 in 64bit
22262 mode, according to what SPAMv9 sais.
22264 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22265 top 32 bits of %[og][0-7] in signal handlers.
22266 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22268 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22270 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22271 (ashlsi3): Corresponding changes.
22273 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22275 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22277 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22279 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22281 * arm.h (Hint): Delete macro.
22282 Substitute HOST_WIDE_INT for Hint in some prototypes.
22283 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22285 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22287 * builtins.c (expand_builtin_setjmp): Use force_operand to
22288 make sure that the buffer address is in a suitable form to be
22289 passed to force_reg.
22291 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22293 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22296 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22298 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22299 proper mode in the condition string.
22300 (icacheflush, dcacheflush): Remove modes from match_operands.
22302 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22303 proper mode before using it.
22305 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22308 * pa.c (store_reg): Do not call add_high_const generator directly.
22309 (load_reg, set_reg_plus_d): Likewise.
22310 * pa.md (add_high_const): No longer a named pattern.
22312 * pa.c (legitimize_address): Consistently use Pmode rather than
22313 SImode. Do not call gen_pic2_highpart directly anymore.
22314 * pa.md (pic2_highpart): No longer a named pattern.
22315 (pic2_lo_sum): Similarly. Reformat to make more readable.
22317 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22322 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22324 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22326 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22328 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22329 and tag the spill mems.
22330 (hppa_va_start): New.
22331 (hppa_va_arg): New.
22332 * pa.h (EXPAND_BUILTIN_VA_START): New.
22333 (EXPAND_BUILTIN_VA_ARG): New.
22335 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22337 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22338 and tag the spill mems.
22339 (mn10300_va_start): New.
22340 (mn10300_va_arg): New.
22341 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22342 (EXPAND_BUILTIN_VA_ARG): New.
22344 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22346 * mn10200.c (mn10200_va_arg): New.
22347 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22349 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22351 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22352 rather than play with TREE_INT_CST_LOW.
22354 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22356 * config/arm/telf.h: Include dbxelf.h.
22357 (CPP_PREDEFINES): Only define if not already defined.
22358 (ASM_IDENTIFY_GCC): Likewise.
22359 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22360 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22361 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22363 (DBX_DEBUGGING_INFO): Don't define.
22364 * config/arm/linux-telf.h: New file.
22365 * config/arm/linux-tgas.h: New file.
22366 * config/arm/t-thumb-linux: New file.
22367 * config/arm/uclinux-elf.h: New file.
22368 * config/arm/uclinux-telf.h: New file.
22369 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22370 thumb-*-uclinux): New targets.
22371 * configure: Regenerate.
22373 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22375 * pa.md (post_store, pre_load): New expanders.
22376 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22377 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22378 need to directly generate RTL for them.
22379 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22382 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22384 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22385 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22386 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22387 (secndary_reload_class): Make TARGET_ELF conditional compile.
22388 (print_operand_address): Similar.
22389 (output_toc): Print all values as hex.
22390 (get_issue_rate): Rearrange and add RS64A and PPC630.
22391 * rs6000.h (processor_type): Add RS64A and PPC630.
22392 (PROCESSOR_POWERPC64): New.
22393 (PROMOTE_MODE): Use word_mode.
22394 (RTX_COSTS): Add RS64A and PPC630.
22395 * rs6000.md (scheduling information): Add lmul and ldiv
22396 representing 64-bit integer multiply and divide. Add rs64a and
22397 PPC630 information.
22398 (ashldi3): Add support for "rldic" instruction.
22399 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22401 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22403 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22404 instead of V8 for sparclite86x in cpu_table.
22406 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22408 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22409 output_file_directive.
22411 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22413 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22414 tree for op1, not the rtl.
22416 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22418 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22419 to m88k_va_start, leaving only the register spill.
22420 (m88k_build_va_list): New.
22421 (m88k_va_start): New.
22422 (m88k_va_arg): New.
22423 * m88k.h (BUILD_VA_LIST_TYPE): New.
22424 (EXPAND_BUILTIN_VA_START): New.
22425 (EXPAND_BUILTIN_VA_ARG): New.
22427 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22429 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22430 Rename from expand_builtin_saveregs.
22431 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22433 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22435 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22436 for the register spill block.
22437 (i960_build_va_list): New.
22438 (i960_va_start): New.
22439 (i960_va_arg): New.
22440 * i960.h (BUILD_VA_LIST_TYPE): New.
22441 (EXPAND_BUILTIN_VA_START): New.
22442 (EXPAND_BUILTIN_VA_ARG): New.
22443 * i960.md (store_multiple): Use change_address on individul mems.
22445 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22447 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22449 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22450 (expand_builtin_va_end): Evaluate arg for side effects.
22451 * c-common.c (c_common_nodes_and_builtins): Construct a
22452 va_list_arg_type_node to handle array decomposition to pointer.
22454 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22456 * except.c (st_dynamic_cleanup): Use force_operand on the
22459 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22461 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22462 * c4x.c (c4x_va_arg): New.
22464 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22466 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22467 has manual_pop set.
22469 1999-07-26 Nathan Sidwell <nathan@acm.org>
22471 * eh-common.h (__eh_matcher): Prototype correctly.
22473 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22475 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22476 (TARGET_SINGLE_PIC_BASE): Likewise.
22477 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22479 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22480 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22481 (TARGET_OPTIONS): Add -mpic-register=N.
22482 (OUTPUT_INT_ADDR_CONST): New macro.
22483 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22484 LEGITIMATE_PIC_OPERAND_P): Likewise.
22485 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22486 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22487 output_addr_const directly.
22488 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22490 (thumb_pic_register, thumb_pic_register_string): Declare.
22492 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22494 (label_mentioned_p): New function: Imported from arm.c.
22495 (legitimize_pic_address): New function: Imported from arm.c.
22496 (is_pic):New function: Imported from arm.c.
22497 (thumb_finalize_pic):New function: Imported from arm.c.
22498 (add_constant): Cope with PIC constants.
22499 (fixit): Cope with PIC constants.
22500 (output_return): Do not treat the PIC register as live if
22501 TARGET_SINGLE_PIC_BASE is true.
22502 (thumb_function_prologue): Do not treat the PIC register as live if
22503 TARGET_SINGLE_PIC_BASE is true.
22504 (thumb_expand_prologue): Do not treat the PIC register as live if
22505 TARGET_SINGLE_PIC_BASE is true.
22506 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22507 TARGET_SINGLE_PIC_BASE is true.
22508 (thumb_print_operand): Accept '|'.
22509 (thumb_override_options): Process PIC options.
22511 * config/arm/thumb.md (movsi): Support PIC.
22512 (call_insn): Change "i" constraint to "X".
22513 (call_value_insn): Likewise.
22514 (consttable_4, consttable_8, consttable_end): Set and clear
22515 "making_const_table" as appropriate.
22516 (pic_load_addr, pic_add_dot_plus_four): New insns.
22518 * invoke.texi (Thumb Options): Fix spelling. Document new
22519 options -msingle-pic-base and -mpic-register=.
22521 1999-07-26 Andrew Haley <aph@cygnus.com>
22523 * config/m32r/initfini.c (__init): Use a full word immediate for
22524 __fini: this allows it to be placed in any memory region.
22526 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22527 -mmodel=medium. This is OK for all memory models.
22529 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22531 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22532 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22534 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22536 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22539 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22541 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22543 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22544 (BUILD_VA_LIST_TYPE): New.
22545 (EXPAND_BUILTIN_VA_START): New.
22546 (EXPAND_BUILTIN_VA_ARG): New.
22547 * i860.c (output_delayed_branch): Disable.
22548 (output_delay_insn): Likewise.
22549 (i860_saveregs): New.
22550 (i860_build_va_list): New.
22551 (i860_va_start): New.
22552 (i860_va_arg): New.
22553 * i860.md: Disable all peepholes using output_delayed_branch.
22554 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22556 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22558 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22559 (BUILD_VA_LIST_TYPE): New.
22560 (EXPAND_BUILTIN_VA_START): New.
22561 (EXPAND_BUILTIN_VA_ARG): New.
22562 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22563 Return the address of the save area.
22564 (clipper_build_va_list): New.
22565 (clipper_va_start): New.
22566 (clipper_va_arg): New.
22568 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22570 * arc.h (EXPAND_BUILTIN_VA_START): New.
22571 (EXPAND_BUILTIN_VA_ARG): New.
22572 * arc.c (arc_setup_incoming_varargs): Set alias set of
22574 (arc_va_start): New.
22577 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22579 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22580 (BUILD_VA_LIST_TYPE): New.
22581 (EXPAND_BUILTIN_VA_START): New.
22582 (EXPAND_BUILTIN_VA_ARG): New.
22583 * alpha.c (alpha_builtin_saveregs): Delete.
22584 (alpha_build_va_list): New.
22585 (alpha_va_start): New.
22586 (alpha_va_arg): New.
22588 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22590 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22592 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22593 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22595 * gcc.texi: More changes related to list conversion.
22596 * invoke.texi: Likewise.
22598 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22600 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22601 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22602 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22603 (stabilize_va_list): New function.
22604 (std_expand_builtin_va_start): New function.
22605 (expand_builtin_va_start): New function.
22606 (get_varargs_alias_set): New function.
22607 (std_expand_builtin_va_arg): New function.
22608 (expand_builtin_va_arg): New function.
22609 (expand_builtin_va_end): New function.
22610 (expand_builtin_va_copy): New function.
22611 (expand_builtin): Call them.
22612 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22613 __builtin_{varargs_start,stdarg_start,end,copy}.
22614 (build_va_arg): New function.
22615 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22616 (build_va_arg): Declare.
22617 * c-decl.c (ptr_type_node, va_list_type_node): New.
22618 * c-parse.gperf (__builtin_va_arg): New.
22619 * c-parse.in (VA_ARG): New token.
22620 (unary_expr): Recognize it.
22621 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22622 * expr.h (std_expand_builtin_va_start): Declare.
22623 (std_expand_builtin_va_arg): Declare.
22624 (expand_builtin_va_arg): Declare.
22625 (get_varargs_alias_set): Declare.
22626 * tree.def (VA_ARG_EXPR): New.
22627 * tree.h (BUILT_IN_VARARGS_START): New.
22628 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22629 (ptr_type_node, va_list_type_node): Declare.
22630 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22631 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22632 * m88k.h, m88k.c: Likewise.
22633 * mn10300.h, mn10300.c: Likewise.
22634 * pa.h, pa.c: Likewise.
22635 * rs6000.h, rs6000.c: Likewise.
22636 * sh.h, sh.c: Likewise.
22637 * sparc.h, sparc.c: Likewise.
22639 * emit-rtl.c (operand_subword): Copy alias set.
22640 (change_address): Likewise.
22642 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22644 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22645 not just the first one.
22647 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22649 * config/arm/arm.h (TARGET_SWITCHES): Add
22650 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22651 (TARGET_OPTIONS): Add -mpic-register=.
22652 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22653 (arm_pic_register_string): Declare.
22654 (NEED_PLT_GOT): Delete, replace with ...
22655 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22656 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22657 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22658 * config/arm/arm.c (arm_override_options): Add new option
22660 (arm_pic_register_string): New variable.
22661 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22662 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22663 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22664 (output_return_instruction): Likewise.
22665 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22666 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22667 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22669 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22670 mention of -msched-prolog. Document new options -msingle-pic-base
22671 and -mpic-register=.
22673 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22675 * haifa-sched.c (reemit_notes): Tidy.
22676 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22679 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22681 * explow.c (trunc_int_for_mode): New function.
22682 (plus_constant_wide): Use it.
22683 * combine.c (simplify_and_const_int): Likewise.
22684 (merge_outer_ops): Likewise.
22685 (simplify_shift_const): Likewise.
22686 * cse.c (simplify_unary_operation): Likewise.
22687 (simplify_binary_operation): Likewise.
22688 * emit-rtl.c (operand_subword): Likewise.
22689 * rtl.h: Declare it.
22691 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22693 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22694 (use NUM_REGS instead of NUM_INTS).
22696 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22698 * builtins.c: New file.
22699 * expr.c (saveregs_value, apply_args_value): Delete definition,
22700 moved into builtins.c.
22701 (string_constant): No longer static.
22702 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22703 apply_args_size, apply_result_size, result_vector,
22704 expand_builtin_apply_args, expand_builtin_apply,
22705 expand_builtin_return): Delete functions, moved into builtins.c.
22706 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22707 * expr.h (saveregs_value, apply_args_value): Declare variables.
22708 (expand_builtin, string_constant): Declare functions.
22709 * Makefile.in: Update to build builtin.o.
22711 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22713 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22714 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22715 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22716 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22718 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22721 1999-07-21 Michael Meissner <meissner@cygnus.com>
22723 * print-rtl.c (print_rtx): Print the names of the virtual
22726 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22728 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22729 introduced in previous delta.
22731 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22733 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22734 to avoid name clash.
22736 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22738 * c-lex.c (yylex) : Correct the test for overflow when lexing
22741 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22743 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22744 (adjust_priority): Always call ADJUST_PRIORITY.
22745 (schedule_insn): Only put insns into the ready at cost 0.
22746 (schedule_block): Remove redundant initial sort. Give clock_var
22747 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22749 * tm.texi (MD_SCHED_REORDER): Update docs.
22751 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22752 * sparc.c (ultra_reorder_called_this_block): Delete.
22753 (ultrasparc_sched_init): Don't set it.
22754 (ultrasparc_sched_reorder): Don't check it.
22756 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22758 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22759 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22760 (function_arg_boundary): Align DFmode.
22761 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22762 to get fp reg and stack overflow correct.
22763 (function_arg): Likewise.
22764 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22765 (setup_incoming_varargs): Restructure for ABI_V4; use
22766 function_arg_advance to skip final named argument.
22767 (expand_builtin_saveregs): Properly unskip the last integer arg
22768 when doing varargs. Adjust overflow location calculation.
22770 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22771 explicitly unsigned.
22772 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22773 (__VA_GP_REGSAVE): Similarly.
22774 (__va_longlong_p): Delete.
22775 (__va_arg_type_violation): New declaration.
22776 (va_arg): Restructure. Flag promotion errors. Align double.
22777 TFmode passed by reference.
22779 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22780 in the HOST_BITS_PER_WIDE_INT > 32 case.
22782 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22784 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22786 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22788 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22789 * toplev.c (documented_lang_options): Add -fpreprocessed.
22790 * cpplib.h (struct cpp_buffer): Add preprocessed.
22791 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22792 (cpp_start_read): Don't expand macros or emit an initial #line
22793 directive if -fpreprocessed.
22795 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22797 * cpplib.h (struct cpp_buffer): Added manual_pop for
22798 better C++ tokenization.
22799 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22800 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22801 * c-common.c (cpp_token): Make non-static.
22803 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22805 * c-common.h: New file.
22806 * c-common.c (permanent_obstack): Delete unused declaration.
22807 (c_global_trees): New array.
22808 (c_common_nodes_and_builtins): New function; split off common code
22809 from init_decl_processing in both c-decl.c and cp/decl.c.
22810 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22811 c_global_trees and accessor macros defined in c-common.h.
22812 Include c-common.h.
22813 * c-decl.c: Delete definitions for tree nodes that were replaced by
22815 (init_decl_processing): Build void_list_node.
22816 Call c_common_nodes_and_builtins; delete code to generate the common
22818 * objc/objc-act.c (build_module_descriptor): Rename variable
22819 void_list_node to avoid clash with c-common.h.
22821 * Makefile.in: Update dependencies.
22822 * objc/Make-lang.in: Likewise.
22824 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22826 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22827 (UNIQUE_SECTION_P): Likewise.
22828 (UNIQUE_SECTION): Likewise.
22830 1999-07-19 Linas Vepstas <linas@linas.org>
22832 * config/i370/README: New file.
22833 * config/i370/linux.h: New file.
22834 * config/i370/mvs.h: New file.
22835 * config/i370/oe.h: New file.
22836 * config/i370/t-linux: New file.
22837 * config/i370/t-mvs: New file.
22838 * config/i370/t-oe: New file.
22839 * config/i370/x-oe: New file.
22840 * config/i370/xm-linux.h: New file.
22841 * config/i370/xm-mvs.h: New file.
22842 * config/i370/xm-oe.h: New file.
22844 * i370.c (label_node_t): Add first_ref_page, label_addr,
22845 label_first_ref, label_last_ref members.
22846 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22847 (MAX_MVS_LABEL_SIZE): Define.
22848 (MAX_LONG_LABEL_SIZE): Define.
22849 (alias_node_t, alias_anchor, alias_number): New.
22850 (mvs_function_table): Reorder for EBCDIC.
22851 (ascebc, ebcasc): Unconditionally define.
22852 (i370_branch_dest, i370_branch_length): New functions.
22853 (i370_short_branch, i370_label_scan): New functions.
22854 (mvs_get_label): Renamed from mvs_add_label. Search for
22855 an existing label before creating a new one.
22856 (mvs_add_label): New function.
22857 (mvs_get_label_page): New function.
22858 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22859 over the entire list.
22860 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22861 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22862 (mvs_add_alias, mvs_need_alias): New functions.
22863 (mvs_get_alias, mvs_check_alias): New functions.
22864 (handle_pragma): New function.
22865 (mvs_function_check): New function.
22866 (unsigned_jump_follows_p): Search harder.
22867 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
22868 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
22869 * i370.h (TARGET_VERSION): Delete.
22870 (CPP_SPEC, CPP_PREDEFINES): Delete.
22871 (mvs_label_emitted): Delete.
22872 (TARGET_EBCDIC): Delete.
22873 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
22874 (HANDLE_PRAGMA): Define.
22875 (HARD_REGNO_NREGS): Handle complex modes.
22876 (HARD_REGNO_MODE_OK): Likewise.
22877 (CLASS_MAX_NREGS): Likewise.
22878 (RET_REG): Likewise.
22879 (EXTRA_CONSTRAINT): Define.
22880 (RETURN_IN_MEMORY): True for DImode.
22881 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
22882 (FUNCTION_PROFILER): Delete.
22883 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
22884 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
22885 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
22886 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
22887 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
22888 (ASM_FILE_START): Add "RMODE ANY".
22889 (ASM_OUTPUT_EXTERNAL): Check for aliases.
22890 (ASM_GLOBALIZE_LABEL): Likewise.
22891 (ASM_OUTPUT_LABELREF): Likewise.
22892 (ASM_OUTPUT_COMMON): Likewise.
22893 (PRINT_OPERAND): Handle 'K', 'W', default.
22894 (PRINT_OPERAND_ADDRESS): New.
22895 (Lots of defines): Add support for TARGET_ELF_ABI.
22896 * i370.md (attr length): New. Define for all patterns.
22897 (*): Lots of tweeks to assembly output and constraints.
22899 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
22901 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
22902 Disable patterns performing SImode comparisons with SImode values
22903 if TARGET_POWERPC64 and instruction does not sign-extend or does
22904 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
22905 differ for signed quantities.
22906 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
22907 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
22908 (decrement_and_branch_on_count): Add 64-bit variant.
22910 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22912 * final.c (output_asm_insn): When searching for the matching string
22913 for a given dialect, don't run past the end of the list of
22914 alternatives if there are fewer alternatives in the template than
22917 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
22919 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
22920 Removed paragraph about compression of files and size limitation,
22921 duplicated in the FAQ. Use gcc-patches for posting patches.
22922 * gcc.c (main): Updated URL with bug reporting instructions to
22923 gcc.gnu.org. Removed e-mail address.
22924 * system.h (abort): Likewise.
22926 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22928 * Makefile.in (stmp-multilib-sub): Make the files extracted
22929 from $(LIBGCC1) writable.
22931 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
22933 * config/arm/aout.h: Reformat for improved readability.
22935 * config/arm/arm.h: Reformat for improved readability.
22936 Replace uses of fprintf with asm_fprintf where appropriate.
22937 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
22938 function declaration assembler actions.
22939 (NUM_INTS): New macro: Convert from bytes to words.
22940 (NUM_REGS): New macro: Compute number of registers required to
22941 hold a quanitity of tyep MODE.
22942 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
22944 (NUM_ARG_REGS): New macro: The number of argument registers
22946 (ARG_REGISTER): New macro: Compute the register number of the Nth
22948 (LAST_ARG_REGNUM): New macro: The number of the last argument
22950 (SP_REGNUM): New macro: Register number of the stack pointer.
22951 (FP_REGNUM): New macro: Register number of the frame pointer.
22952 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
22953 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
22954 CUMULATIVE_ARGS so that it counts registers not bytes.
22956 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
22958 Replace uses of fprintf with asm_fprintf where appropriate.
22959 (output_ascii_pseudo_op): Replace with version from thumb.c
22961 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
22963 * config/arm/elf.h (CPP_PREDEFINES): Replace with
22964 SUBTARGET_CPP_SPEC.
22965 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
22966 (ASM_FILE_START): Emit ASM_APP_OFF.
22968 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
22970 * pa.c (compute_frame_size): Round frame according to
22971 STACK_BOUNDARY rather than a hardwired value.
22973 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
22975 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
22977 * configure: Rebuilt.
22979 * configure.in (hppa*-*-linux*): New configuration.
22980 * configure: Rebuilt.
22981 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
22982 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
22983 * pa/pa-linux.h: New file.
22984 * pa/t-linux: New file.
22985 * pa/xm-linux.h: New file.
22987 * pa.c (hppa_legitimize_address): Change references from SImode to
22988 either Pmode or word_mode as appropriate.
22989 (emit_move_sequence, store_reg, load_reg): Likewise.
22990 (set_reg_plus_d, hppa_expand_prologue): Likewise.
22991 (output_mul_insn): Likewise.
22992 * pa.h (PROMOTE_MODE): Likewise.
22993 (INITIALZE_TRAMPOLINE): Likewise.
22994 (Pmode): Define to word_mode.
22996 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
22997 value of 4. Allocate 8 bytes for each FP register save.
22998 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23000 (hppa_expand_prologue): Likewise.
23001 * pa.h (PROMOTE_MODE): Likewise.
23002 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23003 (FUNCTION_ARG_BOUNDARY): Likewise.
23005 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23007 * pa.c (out_of_line_prologue_epilogue): Delete.
23008 (override_options): Remove -mspace related code.
23009 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23010 (compute_frame_size): Only allocate space for register that
23011 actually need to be saved.
23012 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23013 (TARGET_SWITCHES): Remove -mspace, -mno-space
23014 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23015 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23016 * pa/ee.asm, pa/ee_fp.asm: Delete.
23018 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23020 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23021 directive in column zero.
23023 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23025 * m68k.c (output_function_prologue): Fix computation of save mask
23026 when generating PIC code.
23028 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23030 * tree.c (build_type_attribute_variant): Move current_obstack restore
23031 after build_qualified_type call.
23033 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23035 * configure.in: Use t-iris6, even with GNU LD.
23036 * config/mips/iris6gld.h: Fix typo in linker spec.
23037 * config/mips/t-iris6gld: Remove.
23039 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23041 * rs6000.md (insv, extzv): Remove SImode dependence in named
23042 patterns. Explicitly generate DImode RTL if PowerPC64 and
23044 (insvdi): Reverse start and size in instruction template.
23046 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23048 * invoke.texi: Typo fixes.
23050 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23052 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23053 handle at this time instead of silently generating incorrect code.
23054 (gen_imagpart): Likewise.
23056 * reload.c (find_reloads): Emit a USE for a pseudo register without
23057 a hard register if we could not create an optional reload for the
23060 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23062 * c-typeck.c (output_init_element, process_init_element):
23063 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23064 check for nameless bit fields.
23066 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23068 * regclass.c (scan_one_insn): Notice subregs that change the
23069 size of their operand.
23070 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23072 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23074 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23075 * configure: Rebuilt.
23076 * alpha/t-ieee: New file.
23078 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23080 * rs6000.c (find_addr_reg): Do not select r0 as an address
23083 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23085 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23087 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23089 * rs6000.md (movsf): Do not force easy FP constants into memory.
23091 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23092 immed_double_const to ensure they are properly truncated then
23095 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23097 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23098 always unless NO_DEBUG is used. Compile this code
23100 (replace_symbols_in_block): Compile it unconditionally.
23102 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23104 * configure.in (i?86-*-elf*): New target.
23105 * configure: Rebuilt.
23106 * i386/i386elf.h, i386/t-i386elf: New files.
23108 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23110 * toplev.c (main): Don't complain about saying -gdwarf.
23111 (rest_of_compilation): Remove redundant code.
23113 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23115 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23117 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23119 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23120 "Li960R:", to avoid name clash.
23122 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23124 * loop.c (check_dbra_loop): When reversing a loop, delete all
23125 REG_EQUAL notes referencing the reversed biv except those which are
23126 for a giv based on it.
23128 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23130 * version.c: Drop "gcc-" prefix from version #.
23132 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23134 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23135 the label if we're being verbose.
23137 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23139 * m68k.c (output_function_prologue): Add pic register to mask
23140 if live and flag_pic.
23141 (output_function_epilogue): Likewise.
23143 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23145 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23146 directives in column zero.
23148 * pa/elf.h (ASM_FILE_START): Define.
23149 * pa/som.h (ASM_FILE_START): Include .level directives.
23150 * pa/hpux10.h (ASM_FILE_START): Delete.
23151 * pa/hpux11.h (ASM_FILE_START): Delete.
23153 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23155 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23157 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23158 when reload_out equals reload_in.
23160 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23162 * invoke.texi (Spec Files): New node: Describe the contents of
23165 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23167 * invoke.texi (DEC Alpha Options): Put @end table at
23168 beginning of line, to avoid confusing texi2html.
23170 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23172 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23173 introduced in previous delta.
23175 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23177 * reload1.c (gen_reload): When synthesizing a 3 operand add
23178 sequence, improve test for when to reload OP1 into the reload
23179 register instead of OP0.
23181 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23183 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23185 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23187 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23190 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23192 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23193 (va_dcl): Use __builtin_va_alist_t.
23195 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23197 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23198 on the permanent_obstack.
23199 * dwarfout.c (output_type): Likewise.
23201 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23203 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23204 Merged from c-typeck.c and cp/typeck.c.
23205 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23206 Merged into c-common.
23208 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23210 * c-lex.c (errorcount): Declare it.
23211 (finish_parse): Update errorcount when using CPPLIB.
23213 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23215 * fixinc/inclhack.def(end_else_label): Double the backslash so
23216 sed gets a chance to see it.
23217 * fixinc/inclhack.sh: regen
23218 * fixinc/fixincl.x: regen
23220 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23222 Add framework to support armv5 architecture when it becomes
23225 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23226 (arm_arch5): New variable.
23227 (all_architectures): Add armv5 line.
23228 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23229 -march=armv5 is specified on the command line.
23230 (arm_arch5): Export this variable.
23231 * invoke.texi: Document new string accepted by -march= switch for
23234 * config/arm/arm.h: Replace use of constant 12 as a register
23235 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23236 * config/arm/arm.c: Replace use of constant 12 as a register
23237 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23239 * config/arm/elf.h: Tidy up.
23240 * config/arm/coff.h: Tidy up.
23242 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23244 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23245 * gcc/config/mips/t-iris6gld: New file.
23246 * gcc/config/mips/iris6gld.h: Likewise.
23248 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23250 * c-decl.c (widest_integer_literal_type_node,
23251 widest_unsigned_literal_type) : New.
23252 (init_decl_processing): Handle/use the two new types.
23253 * c-common.c (type_for_size,type_for_mode) : Same.
23254 * c-lex.c (yylex) : Same.
23255 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23257 * c-tree.h (widest_integer_literal_type_node,
23258 widest_unsigned_literal_type) : New.
23260 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23262 * dwarfout.c (field_byte_offset): Correctly compute the object's
23263 byte offset for the first bit of a field which crosses an alignment
23264 boundary on a !BYTES_BIG_ENDIAN target.
23266 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23268 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23271 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23272 Jeff Law <law@cygnus.com>
23274 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23277 * except.c: Include intl.h.
23278 (expand_eh_return): Set current_function_cannot_inline.
23279 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23280 * function.h (struct function): Add eh_return_stub_label.
23281 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23282 * Makefile.in (except.o): Depend on intl.h.
23284 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23286 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23287 same as offsettable in cases 1 and 2.
23289 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23291 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23292 (extlh, extwh): Likewise.
23294 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23296 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23298 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23300 * configure.in: Add arm-pe and thumb-pe targets.
23301 * configure: Regenerate.
23303 * thumb.c (arm_naked_function_p): New function: Determines if
23304 a function is naked (has no gcc generated prologue/epilogue).
23305 (is_called_in_ARM_mode): Return true if the func has the
23306 interfacearm attribute.
23307 (output_return): Do not generate a return for naked functions.
23308 (thumb_function_prologue): Do not generate a prologue for
23310 (thumb_expand_prologue): Do not generate a prologue for naked
23312 (thumb_expand_epilogue): Do not generate an epilogue for naked
23314 (arm_valid_machine_decl_attribute): New function, copied from
23315 arm.c: Permit naked and interfacearm attributes.
23317 * config/arm/pe.c: New file: Support code for arm-pe target.
23318 * config/arm/pe.h: New file: Header file for arm-pe target.
23319 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23320 * config/arm/t-thumb-pe: New file: Makefile fragment for
23323 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23325 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23326 -fPIC or -fpic is specified.
23328 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23330 * expr.c (emit_block_move): Use copy_to_mode_reg for
23331 !TARGET_MEM_FUNCTIONS case too.
23333 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23335 * configure: Rebuilt.
23336 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23337 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23338 definitions made redundant by dbxelf.h inclusion. Delete
23339 lots of definitions related to assembly output that are
23340 specific to the SOM object format.
23341 * pa.c (output_function_prologue): Do not emit the function's
23343 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23344 * pa-pro.h: Deleted.
23345 * som.h: New file with SOM specific definitions.
23346 * elf.h: New file with ELF specific definitions.
23348 * elfos.h (const_section): Output a tab before assembler directives.
23349 (ctors_section, dtors_section): Likewise.
23350 (ASM_OUTPUT_SECTION_NAME): Likewise.
23352 * pa/pa1.h: Delete unused file.
23354 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23356 * configure.in (hppa*-hp-hpux11*): New configuration.
23357 * configure: Rebuilt.
23358 * pa/pa-hpux11.h: New file.
23359 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23362 * mips.md (leasi, leadi): New patterns.
23364 * expr.c (emit_block_move): Properly handle case where one of the
23365 block move arguments has a queued increment or decrement.
23366 (clear_storage): Similarly. Fix formatting goof.
23368 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23370 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23371 semicolon from the BSD VA_LIST replacement expression.
23373 * fixinc/inclhack.sh: regen
23374 * fixinc/fixincl.x: regen
23376 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23377 now use the fixincl program.
23379 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23381 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23382 case. Also make the PIC register call_used.
23384 * m68k.h (FINALIZE_PIC): Delete.
23385 * m68k.c (finalize_pic): Delete.
23387 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23389 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23392 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23394 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23396 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23398 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23400 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23402 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23404 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23406 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23408 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23410 * rs6000.c (output_toc): Always use hex values for floating-point
23411 constants. Store single-precision values in upper-half of TOC
23412 entry in 64-bit mode.
23413 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23414 to final constraints.
23415 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23416 (fctiwz): Improve accuracy of RTL for pattern.
23418 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23420 * expr.c (expand_expr): Allow RTL_EXPR's through the
23421 MAX_INTEGER_COMPUTATION_MODE checks.
23423 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23425 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23426 such that MASK_SUPPORT_ARCH is not negative.
23428 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23430 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23431 ADDR_DIFF_VEC insns that appear inside loops.
23433 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23434 Jeff Law <law@cygnus.com>
23436 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23437 Handle LO_SUM the same as offsettable in cases 1 and 2.
23438 * rs6000.c (find_addr_reg): Revert previous patch.
23440 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23442 * system.h (strstr): New external function declaration.
23443 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23444 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23445 * config.in, configure: Rebuilt.
23447 1999-06-24 Tom Tromey <tromey@cygnus.com>
23449 * gcc.c (main): Read user-specified specs files after computing
23450 additional startfile_prefixes.
23452 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23454 Revert these two patches:
23456 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23457 * loop.c (strength_reduce): When doing biv->giv conversion, update
23458 reg note of NEXT->insn.
23460 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23461 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23463 (recombine_givs): Set ix field after sorting.
23465 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23467 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23468 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23470 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23472 *fixinc/inclhack.def: Add fix development commentary
23473 (read_ret_type): reactivate and add selection clause
23474 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23475 *fixinc/{fixincl.x|inclhack.sh}: regen
23477 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23479 * expr.c (expand_expr): STRIP_NOPS before checking against
23480 MAX_INTEGER_COMPUTATION_MODE
23481 (check_max_integer_computation_mode): Likewise.
23483 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23485 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23487 1999-06-22 Jim Wilson <wilson@cygnus.com>
23489 * expr.c (store_expr): When target is a promoted subreg, return a
23490 promoted subreg as a result.
23492 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23494 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23496 (dwarf2out_define): Mark unused parameters appropriately.
23497 (gen_unspecified_parameters_die): Ditto.
23498 (gen_subprogram_die): Fix signed/unsigned warnings.
23499 (gen_variable_die): Ditto.
23501 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23503 * fixinc/inclhack.def(end_else_label): combined else_label
23504 and endif_label and fixed the sed expression.
23505 *fixinc/{fixincl.x|inclhack.sh}: regen
23507 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23509 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23510 'x' when handling non-offsettable addresses
23512 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23514 * final.c (shorten_branches): Don't try to split an insn that has
23517 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23519 * config/mips/mips.c (symbolic_expression_p): New function.
23520 (mips_select_rtx_section): Put symbolic expressions in the
23521 data section, not the read-only data section.
23523 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23525 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23527 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23529 * collect2.c (main): Log frame table count.
23530 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23531 (scan_prog_file) [COFF]: Handle frame tables.
23533 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23534 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23535 * alpha/elf.h: Undef them again.
23536 * alpha/vms.h: Remove their definitions.
23538 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23540 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23541 remove the clobber of r0 and change the REG_UNUSED note to
23544 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23546 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23547 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23548 fits in HOST_WIDE_INT and one uses union to access a long constant
23551 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23553 * sparc.c (sparc_override_options): Don't allow profiling for
23554 code models other than medlow.
23555 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23556 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23557 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23558 (sparc_block_profiler): Likewise.
23559 (sparc_function_block_profiler_exit): Likewise.
23560 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23561 (FUNCTION_BLOCK_PROFILER): Likewise.
23562 (BLOCK_PROFILER): Likewise.
23563 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23564 (MCOUNT_FUNCTION): New.
23565 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23566 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23567 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23568 (MCOUNT_FUNCTION): New.
23569 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23570 (BLOCK_PROFILER): Delete.
23571 (MCOUNT_FUNCTION): New.
23573 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23575 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23577 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23579 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23582 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23585 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23588 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23591 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23593 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23596 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23598 * i386/djgpp.h (LIB_SPEC): New.
23599 (STARTFILE_SPEC): New.
23601 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23603 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23605 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23608 * system.h (WSTOPSIG): New macro.
23610 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23612 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23614 (insert_pack_attributes): Take into account member natural
23617 * i386/winnt.c (exports_head): New static variable.
23618 (i386_pe_record_exported_symbol): New function.
23619 (i386_pe_asm_file_end): Use.
23620 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23621 symbols to be emitted at end of assembly.
23622 (ASM_DECLARE_OBJECT_NAME): Likewise.
23623 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23625 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23628 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23630 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23633 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23635 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23636 zapping reg_last_uses directly.
23637 (sched_analyze_2, sched_analyze_insn): Likewise.
23638 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23640 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23642 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23643 attributes for cases 1 and 2.
23645 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23647 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23650 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23652 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23654 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23656 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23657 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23658 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23659 must be stacked if it is used for PIC accesses.
23660 * arm.c (use_return_insn): Handle PIC register specially.
23661 (output_return_instruction): Likewise.
23662 (output_func_{prologue,epilogue}): Likewise.
23663 (output_expand_prologue): Likewise.
23665 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23666 (*strsi_predec): Renamed from *strqi_predec.
23667 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23668 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23670 * arm.c (arm_override_options): Remove warning about PIC code
23671 not being supported.
23673 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23675 * rs6000.c (find_addr_reg): New function.
23676 * rs6000.h (find_addr_reg): Declare.
23677 (offsettable_addr_operand): Delete.
23678 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23679 from and stores to GPRs.
23681 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23683 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23684 gen_sequence as argument to emit_no_conflict_block.
23686 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23688 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23689 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23690 *fixinc/fixincl.x: regen
23691 *fixinc/inclhack.sh: regen
23693 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23695 * added support for -mpcrel (PC relative addressing for m68k)
23696 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23697 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23698 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23699 (comments for general_src_operand): Add some explanation
23700 about EXTRA_CONSTRAINTS.
23701 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23702 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23703 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23704 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23705 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23706 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23707 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23708 if not already set.
23709 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23710 * m68k.h (TARGET_PCREL): New target flag.
23711 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23712 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23713 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23714 contains a SYMBOL_REF. Relax this constraint during reload, since
23715 we want to use the predicates, not reload's built-in concept of a
23716 valid memory address, to control what insns need reloading.
23717 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23718 operands (essentially 'g', 'm', and 's' under normal circumstances).
23719 * m68k.c (print_operand): Cause printing of pc-relative addresses
23720 to include pc register.
23721 (print_operand_address): Ditto.
23722 (general_src_operand): Accept operands that are not only
23723 general_operands, but are also valid when used as a pc-relative
23725 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23726 (memory_src_operand): Similar, for memory_operands.
23727 (pcrel_address): New predicate to accept the special case of a
23728 pc-relative address.
23729 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23730 QImode insns to accept *_src_operand instead of *_operand where
23731 pc-relative operands can fit. For example, a pc-relative operand
23732 can be used as a memory source operand for addsi3, but not as a
23733 memory destination.
23734 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23736 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23738 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23739 .thumb_set pseudo op to mark aliases of thumb functions.
23741 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23743 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23744 preference to ASM_OUTPUT_DEF, if it is defined.
23746 * tm.texi: Document new, optional target macro
23747 ASM_OUTPUT_DEF_FROM_DECLS.
23749 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23751 * fixincludes: ISCNTL patch
23752 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23753 (dgux_int_varargs): new for DG/UX
23754 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23756 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23758 * invoke.texi (ia32 options): Fix typo.
23760 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23762 * loop.c (strength_reduce): When doing biv->giv conversion, update
23763 reg note of NEXT->insn.
23765 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23767 * loop.c (move_movables): Note issues with replacing REGs with
23769 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23771 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23773 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23775 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23776 the reference to `mcount' was not correct for the ELF on FreeBSD.
23778 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23780 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23783 (recombine_givs): Set ix field after sorting.
23785 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23787 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23788 to safe to extract a subword out of a REG.
23790 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23792 * sh.md (mulsi3): Don't add a no-op move at the end.
23794 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23796 * cse.c (cse_insn): Don't put hard register source into tables for
23797 the last insn of a libcall.
23799 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23801 * loop.c (strength_reduce): Insert sets of derived givs at every
23802 biv increment, even if it's the only one.
23804 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23806 * dwarfout.c (add_incomplete_type): New fn.
23807 (output_type): Call it.
23808 (retry_incomplete_types): New fn.
23809 (dwarfout_finish): Call it.
23811 From Eric Raskin <ehr@listworks.com>:
23812 (output_type): Output types for bases.
23814 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23816 * mips.c (mips_output_conditional_branch): Add `break'
23817 between `default' label and `close braces'.
23819 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23821 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23822 specifications and make it realistic.
23823 (LIB_SPEC): Likewise.
23825 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23827 * config/mips/mips.c (mips_secondary_reload_class): Check for
23828 (PLUS (SP) (REG)) and return appropriate register class.
23829 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23830 Handle (PLUS (SP) (REG)).
23831 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23832 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23833 of emit_insn for tablejump.
23835 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23837 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23838 asm_fprintf format string by itself.
23839 (output_function_profiler): Likewise.
23841 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23843 * combine.c (simplify_logical, case AND): Only call
23844 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23845 or the constant is positive.
23847 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23849 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23850 * configure: Regenerate.
23852 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23854 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23855 require a sub-version #.
23856 * configure: Rebuilt.
23858 1999-06-14 Robert Lipe (robertlipe@usa.net)
23860 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23862 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23864 * c-typeck.c (process_init_element): Detect excess elements in
23865 char array initializer.
23867 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23869 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
23871 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23873 * invoke.texi (Option Summary): Add -fpermissive flag.
23875 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
23877 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
23878 that require PIC code sequences.
23880 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
23882 * configure.in: Add new target: thumb-elf.
23883 * configure: Regenerate.
23884 * config/arm/t-thumb-elf: New file: Makefile fragment for
23886 * config/arm/telf.h: New file: Header file for thumb-elf
23889 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
23891 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
23892 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
23893 initializers is some circumstances.
23895 * fixinc/inclhack.def (endif_label): Add additional selector for
23896 more bogus stuff after #endif statements.
23897 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
23899 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
23901 * i386/cygwin.h (SET_ASM_OP): Define.
23903 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
23905 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
23907 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23909 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
23912 * sh.md (ic_invalidate_line_i): Remove second alternative.
23914 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23916 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
23917 test for the presence of valid prototypes. Delete bypass expr.
23918 (ioctl_fix_ctrl): Correct the selection expression.
23919 (no_double_slash): Correct quoting rules
23920 *fixinc/fixincl.x: regen
23921 *fixinc/inclhack.sh: regen
23923 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
23925 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
23927 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23929 * rs6000.md (movsi_got_internal_mem): Delete.
23930 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
23931 (GOT_TOC_REGNUM): Delete.
23932 (PIC_OFFSET_TABLE_REGNUM): Define.
23933 (FINALIZE_PIC): Disable.
23934 * rs6000.c (rs6000_got_register): New code for fixed pic register.
23935 (rs6000_replace_regno): Delete.
23936 (rs6000_finalize_pic): Likewise.
23937 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
23939 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23941 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
23942 is a note; use <= for the compare; advance P while it is
23945 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
23947 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
23948 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
23950 * varasm.c (remove_from_pending_weak_list): Verify t->name
23951 is non-NULL before passing it to strcmp.
23953 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23955 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
23956 the typed arguments are not part of a comment
23957 (ioctl_fix_ctrl): Added a purpose comment
23958 *fixinc/fixincl.x: regenerate
23959 *fixinc/inclhack.sh: regenerate
23961 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23963 * invoke.texi: Add C4x invocation docs.
23965 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23967 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
23969 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
23971 (c4x_legitimize_reload_address): New function.
23972 * config/c4x/c4x.md: Update docs.
23974 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
23976 * fixincludes: Avoid removing '.'.
23977 * fixinc/fixinc.svr4: Likewise.
23978 * fixinc/fixinc.winnt: Likewise.
23979 * fixinc/inclhack.tpl: Likewise.
23980 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
23982 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23984 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
23986 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
23988 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
23990 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
23993 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
23995 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
23996 * configure: Regenerate.
23998 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24000 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24003 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24005 * fixinc/inclhack.def (avoid_bool): Also catch
24006 "typedef [unsigned] int bool".
24007 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24009 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24010 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24011 * configure: Rebuilt.
24013 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24015 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24016 such that we can override its definitions if necessary.
24017 (CPP_SPEC): New define. Support processor specific predefines via
24019 (CC1_SPEC): New define. Support processor specific compiler
24020 options via %(cc1_cpu).
24021 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24024 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24026 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24027 between sed's -e flag, and the open-quote following it.
24028 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24030 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24031 Jeffrey A Law (law@cygnus.com)
24033 * varasm.c (assemble_start_function): Remove the function
24034 from the pending weak decls list when we define a function.
24035 (assemble_variable): Similarly for variables.
24036 (weak_finish): Ignore items on the list with a NULL name.
24037 (remove_from_ending_weak_list); New function to "remove" an item
24038 from the pending weak declarations list.
24040 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24042 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24044 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24046 * c-lex.c (GETC): Redefine to call getch.
24047 (UNGETC): Redefine to call put_back.
24048 (putback_buffer): New structure type.
24049 (putback): New static structure.
24050 (getch): New function.
24051 (put_back): New function.
24052 (yylex): Replace unused bytes from bad multibyte character.
24054 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24056 * cpplib.c (do_define): Cast `alloca' return value.
24057 (do_include, do_undef, do_pragma): Likewise.
24058 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24060 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24061 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24063 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24065 * sparc.md (abstf2): This should be an expand.
24066 (split after abstf2_notv9): Fix mode.
24067 (abstf2_hq_v9): New pattern.
24068 (abstf2_v9): Only use when no hard quad.
24069 (absdf2_v9): Fix if target is not the same as source.
24070 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24071 Add correct output constraints.
24073 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24075 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24076 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24078 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24080 * mips.h (mips_output_conditional_branch): New function.
24081 (mips_adjust_insn_length): Likewise.
24082 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24083 (ADJUST_INSN_LENGTH): Likewise.
24084 * mips.c (print_operand): Add `F' and `W' for floating-point
24085 comparison opcodes.
24086 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24088 (mips_adjust_insn_length): New function.
24089 (mips_output_conditional_branch): New function.
24090 * mips.md (length): Adjust attribute definition to handle
24091 conditional branches. Change lengths to bytes, rather than
24092 instructions throughout. Remove length attribute from
24093 instructions whose length is four bytes, and rely on the default
24095 (dslot): Fix typo in comment.
24096 Reword conditional branch patterns to use
24097 mips_output_conditional_branch.
24099 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24101 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24102 (LIB_SPEC): Likewise.
24103 Link with -lprof1_r for -g/-pg.
24105 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24107 * loop.c (check_dbra_loop): Fix change of Jan 19.
24109 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24111 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24112 (STARTFILE_SPEC): Define, override the svr4.h version.
24113 (ENDFILE_SPEC): Likewise.
24115 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24117 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24118 * fixinc/fixincl.x: Regenerated.
24119 * fixinc/inclhack.sh: Regenerated.
24121 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24123 * sh.c (barrier_align): Don't return early for normal branch/barrier
24124 when optimizing for SH2.
24126 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24128 * i386/udk.h (LINK_SPEC): Correct linker search path for
24131 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24133 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24134 (braf_label_ref_operand): Delete.
24135 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24136 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24137 label_ref, and has no predicate.
24138 The patten has a predicate to guard against invalid substitutions.
24139 (dummy_jump): Delete.
24140 (casesi): Update use of casesi_jump_2.
24142 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24144 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24145 *fixinc/fixincl.x: regenerate
24146 *fixinc/inclhack.sh: regenerate
24148 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24150 * dwarf2out.c (add_incomplete_type): New fn.
24151 (gen_struct_or_union_type_die): Call it.
24152 (retry_incomplete_types): New fn.
24153 (dwarf2out_finish): Call it.
24155 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24157 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24158 current block starts with a CODE_LABEL and ends with a CALL and
24159 we can not find all the argument setup instructions for the CALL.
24161 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24163 Revert this change:
24164 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24165 something is a candidate for optimize_bit_field_compare.
24167 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24169 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24171 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24173 * alpha.c (override_options): Thinko in last patch.
24175 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24176 (LIB_SPEC): Recognize -pthread.
24178 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24180 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24181 definition in config/arm/coff.h
24182 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24184 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24186 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24187 fixes that need "file=xxx\n" prepended before invocation
24188 (start_fixer - new): starting the fixer process is complex enough
24189 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24190 (process): uses the new routine; omit usage of putenv()
24191 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24192 * fixinc/fixincl.x: regenerate
24194 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24196 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24197 and version #s (1.1 -> 2.96) as needed.
24198 * README.g77: Kill way out of date file in the toplevel directory.
24200 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24202 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24203 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24204 * configure: Rebuilt.
24205 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24206 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24207 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24208 (SWITCH_TAKES_ARG): Likewise.
24209 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24210 * config/t-freebsd: Moved from config/i386/ so it can used for all
24213 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24215 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24217 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24219 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24220 * configure: Rebuilt.
24222 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24224 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24225 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24226 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24227 (rs6000_output_load_toc_table): Same.
24228 (output_prolog, output_mi_thunk): Same.
24229 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24230 (ASM_GLOBALIZE_LABEL): Use putc.
24232 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24234 * alpha.md (reload_*_help): New patterns and splitters.
24235 (reload_*): Use them.
24236 (mov[qh]i): Likewise.
24238 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24240 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24243 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24245 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24247 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24249 * flow.c (mark_regs_live_at_end, insn_dead_p,
24250 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24251 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24252 hasn't run or the frame pointer is needed.
24253 * haifa-sched.c (attach_deaths): Likewise.
24254 * sched.c (attach_deaths): Likewise.
24256 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24258 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24259 calculate_can_reach_end returns nonzero.
24261 * configure.in (native gas tests): Search for an assembler in the
24262 same manner that the installed compiler will.
24263 * configure: Rebuilt.
24264 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24266 * alias.c (find_base_term): Improve handling of addresses
24267 constructed from binary operations.
24269 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24271 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24273 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24275 * function.h (cleanup_label, frame_offset): Declare.
24276 (tail_recursion_label, tail_recursion_reentry): Likewise.
24277 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24278 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24279 (tail_recursion_label, tail_recursion_reentry): Likewise.
24280 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24282 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24284 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24286 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24287 (MAX_OFILE_ALIGNMENT): Define.
24289 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24291 * fixincl.c: Replace local include scheme with #includes of
24292 gansidecl.h and system.h.
24293 * procopen.c: Likewise.
24294 * server.c: Likewise.
24296 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24298 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24299 (crti.o): Add build rule and dependencies.
24300 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24302 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24304 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24305 (LIB_LINUX_SPEC): Likewise.
24306 (LIB_LINUX_SPEC): Add support for -pthread
24307 (CPP_OS_LINUX_SPEC): Likewise.
24308 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24311 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24313 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24315 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24316 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24317 for IEEE math and CC_FCOMI.
24318 (put_jump_code): No IEEE if CC_FCOMI is set.
24320 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24322 * fold-const.c (fold_truthop): Make the field reference unsigned
24323 when converting a single bit compare.
24325 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24327 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24329 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24331 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24332 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24335 * reload.c (push_reload): Do not call remove_address_replacements
24336 when presented with identical optional reloads.
24338 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24340 * alpha.h (MASK_FIX, TARGET_FIX): New.
24341 (MASK_*): Reorganize constants.
24342 (CPP_AM_FIX_SPEC): New.
24343 (TARGET_SWITCHES): Add FIX.
24344 (EXTRA_SPECS): Likewise.
24345 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24346 (SECONDARY_MEMORY_NEEDED): Likewise.
24347 (REGISTER_MOVE_COST): Likewise.
24348 * alpha.c (override_options): Add FIX support. Always use
24349 ALPHA_TP_PROG for ev6.
24350 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24351 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24352 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24354 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24356 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24357 something is a candidate for optimize_bit_field_compare.
24359 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24361 * gcc.texi (Passes): Document branch-shortening.
24362 * invoke.texi (Debugging Options): Document the fact that `-dp'
24363 outputs length information for instructions.
24365 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24367 * flow.c: Revert previous delta.
24369 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24371 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24372 FRAME_POINTER_REGNUM.
24373 (mark_set_1): Ditto.
24374 (mark_used_regs): Ditto.
24376 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24378 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24379 (GOT_PCREL): New macro. Define to 1 if not already defined.
24380 * arm/elf.h (GOT_PCREL): Define to 0.
24381 * arm.c (arm_finalize_pic): Take into account the setting of
24384 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24386 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24387 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24389 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24390 store elimination candidates.
24392 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24394 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24397 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24399 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24400 Add use of x-aix41-gld.
24402 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24404 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24405 (ASM_OUTPUT_DESTRUCTOR): Define.
24407 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24409 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24410 last CODE_LABEL in a loop if we have previously passed a jump
24411 to the top of the loop.
24413 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24415 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24416 applying Philip's patch.
24418 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24420 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24423 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24425 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24427 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24429 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24430 Also remove a useless comment.
24432 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24434 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24436 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24438 * collect2.c (main): Only generate import or export file and add
24439 to link arguments if non-empty. Use xmalloc not alloca.
24440 (write_{export,import}_file): Delete.
24441 (write_aix_file): New function.
24442 (locatelib): Use xmalloc not malloc.
24443 (GCC_OK_SYMBOL): Do not check type if aix64.
24445 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24447 Based on patch by Scott Bambrough and Pat Beirne:
24448 * config/arm/arm.c (making_const_table): New variable.
24449 * config/arm/arm.h (making_const_table): Declare.
24450 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24452 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24453 Keep track of when we are building the constant table.
24455 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24457 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24460 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24462 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24465 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24467 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24470 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24472 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24474 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24476 * rs6000.c (output_mi_thunk): Enable full support again.
24478 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24480 * sh.h (BRANCH_COST): Define.
24482 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24484 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24486 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24488 * function.c (assign_stack_local): Align stack slot propertly.
24489 (assign_outer_stack_local): Likewise.
24491 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24493 * expr.h (lang_expand_constant): Declare.
24494 * toplev.c (lang_expand_constant): Define it.
24495 * varasm.c (output_constant): Use it.
24497 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24499 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24500 Change function definitions to K&R style.
24502 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24504 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24506 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24508 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24509 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24510 (several places): omit static initialization
24511 (process): use single fd, since only the read fd is used
24512 * fixinc/gnu-regex.c: define 'const' away, if not supported
24513 * fixinc/procopen.c(several places): omit static initialization
24514 * fixinc/server.c: define 'volitile' away, if not supported
24516 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24518 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24519 asm_fprintf and %L to generate the label name.
24520 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24521 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24523 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24525 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24526 insn for a conditional jump can not be found.
24528 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24530 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24531 on variables in specific sections other than .sbss and .sdata.
24533 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24535 * stmt.c (expand_return): Call start_cleanup_deferral and
24536 end_cleanup_deferral around conditional code.
24538 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24540 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24541 filename lists. Utilizes new "krstr" AutoGen function.
24542 * fixinc/fixincl.x: Rebuilt.
24544 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24546 * i386.c (output_float_compare): Avoid GNU-C extensions.
24548 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24550 * version.c: Bump to distinguish mainline tree from the
24553 See ChangeLog.1 for earlier changes.